Finding the Fourth Proportional to 635,342.32, 876,801 and 380,688.04

Step by Step Solution

1. Step 1: Write the proportion equation
   635,342.32 : 876,801 = 380,688.04 : x
2. Step 2: Convert to fraction form
   635,342.32/876,801 = 380,688.04/x
3. Step 3: Cross multiply
   635,342.32x = 876,801 × 380,688.04
4. Step 4: Simplify right side
   635,342.32x = 333,787,654,160.04
5. Step 5: Solve for x
   x = 333,787,654,160.04/635,342.32
6. Step 6: Final answer
   x = 525,366.63