Finding the Fourth Proportional to 429,381.71, 592,519.33 and 238,395.05

Step by Step Solution

1. Step 1: Write the proportion equation
   429,381.71 : 592,519.33 = 238,395.05 : x
2. Step 2: Convert to fraction form
   429,381.71/592,519.33 = 238,395.05/x
3. Step 3: Cross multiply
   429,381.71x = 592,519.33 × 238,395.05
4. Step 4: Simplify right side
   429,381.71x = 141,253,671,742.73
5. Step 5: Solve for x
   x = 141,253,671,742.73/429,381.71
6. Step 6: Final answer
   x = 328,969.94