Finding the Fourth Proportional to 329,061.87, 493,490.73 and 118,672.47

Step by Step Solution

1. Step 1: Write the proportion equation
   329,061.87 : 493,490.73 = 118,672.47 : x
2. Step 2: Convert to fraction form
   329,061.87/493,490.73 = 118,672.47/x
3. Step 3: Cross multiply
   329,061.87x = 493,490.73 × 118,672.47
4. Step 4: Simplify right side
   329,061.87x = 58,563,763,851.20
5. Step 5: Solve for x
   x = 58,563,763,851.20/329,061.87
6. Step 6: Final answer
   x = 177,971.89