Finding the Fourth Proportional to 429,105.84, 592,164.14 and 238,118.80

Step by Step Solution

1. Step 1: Write the proportion equation
   429,105.84 : 592,164.14 = 238,118.80 : x
2. Step 2: Convert to fraction form
   429,105.84/592,164.14 = 238,118.80/x
3. Step 3: Cross multiply
   429,105.84x = 592,164.14 × 238,118.80
4. Step 4: Simplify right side
   429,105.84x = 141,005,414,419.83
5. Step 5: Solve for x
   x = 141,005,414,419.83/429,105.84
6. Step 6: Final answer
   x = 328,602.88