Finding the Fourth Proportional to 429,802.99, 592,976.59 and 245,907.25

Step by Step Solution

1. Step 1: Write the proportion equation
   429,802.99 : 592,976.59 = 245,907.25 : x
2. Step 2: Convert to fraction form
   429,802.99/592,976.59 = 245,907.25/x
3. Step 3: Cross multiply
   429,802.99x = 592,976.59 × 245,907.25
4. Step 4: Simplify right side
   429,802.99x = 145,817,242,561.28
5. Step 5: Solve for x
   x = 145,817,242,561.28/429,802.99
6. Step 6: Final answer
   x = 339,265.31