Finding the Fourth Proportional to 383,870.25, 575,784.61 and 117,631.54

Step by Step Solution

1. Step 1: Write the proportion equation
   383,870.25 : 575,784.61 = 117,631.54 : x
2. Step 2: Convert to fraction form
   383,870.25/575,784.61 = 117,631.54/x
3. Step 3: Cross multiply
   383,870.25x = 575,784.61 × 117,631.54
4. Step 4: Simplify right side
   383,870.25x = 67,730,426,915.52
5. Step 5: Solve for x
   x = 67,730,426,915.52/383,870.25
6. Step 6: Final answer
   x = 176,440.94