Finding the Fourth Proportional to 105,798,724.16, 146,007,087.41 and 58,756,005.31

Step by Step Solution

1. Step 1: Write the proportion equation
   105,798,724.16 : 146,007,087.41 = 58,756,005.31 : x
2. Step 2: Convert to fraction form
   105,798,724.16/146,007,087.41 = 58,756,005.31/x
3. Step 3: Cross multiply
   105,798,724.16x = 146,007,087.41 × 58,756,005.31
4. Step 4: Simplify right side
   105,798,724.16x = 8,578,793,202,500,796
5. Step 5: Solve for x
   x = 8,578,793,202,500,796/105,798,724.16
6. Step 6: Final answer
   x = 81,085,979.73