Finding the Fourth Proportional to 81,248,632.72, 112,123,100.99 and 46,442,070.50

Step by Step Solution

1. Step 1: Write the proportion equation
   81,248,632.72 : 112,123,100.99 = 46,442,070.50 : x
2. Step 2: Convert to fraction form
   81,248,632.72/112,123,100.99 = 46,442,070.50/x
3. Step 3: Cross multiply
   81,248,632.72x = 112,123,100.99 × 46,442,070.50
4. Step 4: Simplify right side
   81,248,632.72x = 5,207,228,960,623,989
5. Step 5: Solve for x
   x = 5,207,228,960,623,989/81,248,632.72
6. Step 6: Final answer
   x = 64,090,050.33