Finding the Fourth Proportional to 383,111.61, 574,757.46 and 116,872.17

Step by Step Solution

1. Step 1: Write the proportion equation
   383,111.61 : 574,757.46 = 116,872.17 : x
2. Step 2: Convert to fraction form
   383,111.61/574,757.46 = 116,872.17/x
3. Step 3: Cross multiply
   383,111.61x = 574,757.46 × 116,872.17
4. Step 4: Simplify right side
   383,111.61x = 67,173,151,573.89
5. Step 5: Solve for x
   x = 67,173,151,573.89/383,111.61
6. Step 6: Final answer
   x = 175,335.72