Finding the Fourth Proportional to 11,947,878, 16,489,315.80 and 7,364,081.52

Step by Step Solution

1. Step 1: Write the proportion equation
   11,947,878 : 16,489,315.80 = 7,364,081.52 : x
2. Step 2: Convert to fraction form
   11,947,878/16,489,315.80 = 7,364,081.52/x
3. Step 3: Cross multiply
   11,947,878x = 16,489,315.80 × 7,364,081.52
4. Step 4: Simplify right side
   11,947,878x = 121,428,665,760,224.02
5. Step 5: Solve for x
   x = 121,428,665,760,224.02/11,947,878
6. Step 6: Final answer
   x = 10,163,199.34