Finding the Fourth Proportional to 375,002.62, 517,490.71 and 213,909.82

Step by Step Solution

1. Step 1: Write the proportion equation
   375,002.62 : 517,490.71 = 213,909.82 : x
2. Step 2: Convert to fraction form
   375,002.62/517,490.71 = 213,909.82/x
3. Step 3: Cross multiply
   375,002.62x = 517,490.71 × 213,909.82
4. Step 4: Simplify right side
   375,002.62x = 110,696,344,627.77
5. Step 5: Solve for x
   x = 110,696,344,627.77/375,002.62
6. Step 6: Final answer
   x = 295,188.19