Finding the Fourth Proportional to 429,569.78, 592,870.95 and 309,109.82

Step by Step Solution

1. Step 1: Write the proportion equation
   429,569.78 : 592,870.95 = 309,109.82 : x
2. Step 2: Convert to fraction form
   429,569.78/592,870.95 = 309,109.82/x
3. Step 3: Cross multiply
   429,569.78x = 592,870.95 × 309,109.82
4. Step 4: Simplify right side
   429,569.78x = 183,262,229,673.37
5. Step 5: Solve for x
   x = 183,262,229,673.37/429,569.78
6. Step 6: Final answer
   x = 426,618.07