Finding the Fourth Proportional to 81,726,552.59, 122,586,285.94 and 20,314,411.61

Step by Step Solution

1. Step 1: Write the proportion equation
   81,726,552.59 : 122,586,285.94 = 20,314,411.61 : x
2. Step 2: Convert to fraction form
   81,726,552.59/122,586,285.94 = 20,314,411.61/x
3. Step 3: Cross multiply
   81,726,552.59x = 122,586,285.94 × 20,314,411.61
4. Step 4: Simplify right side
   81,726,552.59x = 2,490,268,269,662,598.50
5. Step 5: Solve for x
   x = 2,490,268,269,662,598.50/81,726,552.59
6. Step 6: Final answer
   x = 30,470,736.75