Finding the Fourth Proportional to 561,663.30, 842,498.55 and 224,732.10

Step by Step Solution

1. Step 1: Write the proportion equation
   561,663.30 : 842,498.55 = 224,732.10 : x
2. Step 2: Convert to fraction form
   561,663.30/842,498.55 = 224,732.10/x
3. Step 3: Cross multiply
   561,663.30x = 842,498.55 × 224,732.10
4. Step 4: Simplify right side
   561,663.30x = 189,336,468,388.46
5. Step 5: Solve for x
   x = 189,336,468,388.46/561,663.30
6. Step 6: Final answer
   x = 337,099.59