Finding the Fourth Proportional to 103,397,941,519.68, 154,879,711,871 and 65,605,063,434.72

Step by Step Solution

1. Step 1: Write the proportion equation
   103,397,941,519.68 : 154,879,711,871 = 65,605,063,434.72 : x
2. Step 2: Convert to fraction form
   103,397,941,519.68/154,879,711,871 = 65,605,063,434.72/x
3. Step 3: Cross multiply
   103,397,941,519.68x = 154,879,711,871 × 65,605,063,434.72
4. Step 4: Simplify right side
   103,397,941,519.68x = 10,160,893,322,048,112,164,864
5. Step 5: Solve for x
   x = 10,160,893,322,048,112,164,864/103,397,941,519.68
6. Step 6: Final answer
   x = 98,269,783,447.42