Finding the Fourth Proportional to 72,061.83, 99,446.94 and 45,205.47

Step by Step Solution

1. Step 1: Write the proportion equation
   72,061.83 : 99,446.94 = 45,205.47 : x
2. Step 2: Convert to fraction form
   72,061.83/99,446.94 = 45,205.47/x
3. Step 3: Cross multiply
   72,061.83x = 99,446.94 × 45,205.47
4. Step 4: Simplify right side
   72,061.83x = 4,495,545,662.76
5. Step 5: Solve for x
   x = 4,495,545,662.76/72,061.83
6. Step 6: Final answer
   x = 62,384.56