Finding the Fourth Proportional to 99,397,128, 137,166,399.01 and 58,151,007.84

Step by Step Solution

1. Step 1: Write the proportion equation
   99,397,128 : 137,166,399.01 = 58,151,007.84 : x
2. Step 2: Convert to fraction form
   99,397,128/137,166,399.01 = 58,151,007.84/x
3. Step 3: Cross multiply
   99,397,128x = 137,166,399.01 × 58,151,007.84
4. Step 4: Simplify right side
   99,397,128x = 7,976,364,344,215,078
5. Step 5: Solve for x
   x = 7,976,364,344,215,078/99,397,128
6. Step 6: Final answer
   x = 80,247,432.74