Finding the Fourth Proportional to 429,570.78, 592,872.33 and 309,110.82

Step by Step Solution

1. Step 1: Write the proportion equation
   429,570.78 : 592,872.33 = 309,110.82 : x
2. Step 2: Convert to fraction form
   429,570.78/592,872.33 = 309,110.82/x
3. Step 3: Cross multiply
   429,570.78x = 592,872.33 × 309,110.82
4. Step 4: Simplify right side
   429,570.78x = 183,263,252,081.61
5. Step 5: Solve for x
   x = 183,263,252,081.61/429,570.78
6. Step 6: Final answer
   x = 426,619.46