Finding the Fourth Proportional to 429,442.79, 592,498.15 and 248,088.54

Step by Step Solution

1. Step 1: Write the proportion equation
   429,442.79 : 592,498.15 = 248,088.54 : x
2. Step 2: Convert to fraction form
   429,442.79/592,498.15 = 248,088.54/x
3. Step 3: Cross multiply
   429,442.79x = 592,498.15 × 248,088.54
4. Step 4: Simplify right side
   429,442.79x = 146,992,002,587.85
5. Step 5: Solve for x
   x = 146,992,002,587.85/429,442.79
6. Step 6: Final answer
   x = 342,285.42