Finding the Fourth Proportional to 429,054.72, 592,204.35 and 293,143.59

Step by Step Solution

1. Step 1: Write the proportion equation
   429,054.72 : 592,204.35 = 293,143.59 : x
2. Step 2: Convert to fraction form
   429,054.72/592,204.35 = 293,143.59/x
3. Step 3: Cross multiply
   429,054.72x = 592,204.35 × 293,143.59
4. Step 4: Simplify right side
   429,054.72x = 173,600,909,172.62
5. Step 5: Solve for x
   x = 173,600,909,172.62/429,054.72
6. Step 6: Final answer
   x = 404,612.51