Finding the Fourth Proportional to 81,198,057.96, 112,042,995.12 and 46,393,002.72

Step by Step Solution

1. Step 1: Write the proportion equation
   81,198,057.96 : 112,042,995.12 = 46,393,002.72 : x
2. Step 2: Convert to fraction form
   81,198,057.96/112,042,995.12 = 46,393,002.72/x
3. Step 3: Cross multiply
   81,198,057.96x = 112,042,995.12 × 46,393,002.72
4. Step 4: Simplify right side
   81,198,057.96x = 5,198,010,977,359,107
5. Step 5: Solve for x
   x = 5,198,010,977,359,107/81,198,057.96
6. Step 6: Final answer
   x = 64,016,444.58