Finding the Fourth Proportional to 429,018.76, 592,045.98 and 238,031.70

Step by Step Solution

1. Step 1: Write the proportion equation
   429,018.76 : 592,045.98 = 238,031.70 : x
2. Step 2: Convert to fraction form
   429,018.76/592,045.98 = 238,031.70/x
3. Step 3: Cross multiply
   429,018.76x = 592,045.98 × 238,031.70
4. Step 4: Simplify right side
   429,018.76x = 140,925,711,097.57
5. Step 5: Solve for x
   x = 140,925,711,097.57/429,018.76
6. Step 6: Final answer
   x = 328,483.80