Finding the Fourth Proportional to 429,788.25, 593,111.25 and 268,736.61

Step by Step Solution

1. Step 1: Write the proportion equation
   429,788.25 : 593,111.25 = 268,736.61 : x
2. Step 2: Convert to fraction form
   429,788.25/593,111.25 = 268,736.61/x
3. Step 3: Cross multiply
   429,788.25x = 593,111.25 × 268,736.61
4. Step 4: Simplify right side
   429,788.25x = 159,390,706,677.86
5. Step 5: Solve for x
   x = 159,390,706,677.86/429,788.25
6. Step 6: Final answer
   x = 370,858.69