Finding the Fourth Proportional to 429,080.72, 592,122.12 and 238,082.48

Step by Step Solution

1. Step 1: Write the proportion equation
   429,080.72 : 592,122.12 = 238,082.48 : x
2. Step 2: Convert to fraction form
   429,080.72/592,122.12 = 238,082.48/x
3. Step 3: Cross multiply
   429,080.72x = 592,122.12 × 238,082.48
4. Step 4: Simplify right side
   429,080.72x = 140,973,902,792.46
5. Step 5: Solve for x
   x = 140,973,902,792.46/429,080.72
6. Step 6: Final answer
   x = 328,548.68