Finding the Fourth Proportional to 69,629,578, 96,146,828.52 and 58,087,642

Step by Step Solution

1. Step 1: Write the proportion equation
   69,629,578 : 96,146,828.52 = 58,087,642 : x
2. Step 2: Convert to fraction form
   69,629,578/96,146,828.52 = 58,087,642/x
3. Step 3: Cross multiply
   69,629,578x = 96,146,828.52 × 58,087,642
4. Step 4: Simplify right side
   69,629,578x = 5,584,942,554,505,150
5. Step 5: Solve for x
   x = 5,584,942,554,505,150/69,629,578
6. Step 6: Final answer
   x = 80,209,340.84