Finding the Fourth Proportional to 429,406.56, 592,607.88 and 248,151.69

Step by Step Solution

1. Step 1: Write the proportion equation
   429,406.56 : 592,607.88 = 248,151.69 : x
2. Step 2: Convert to fraction form
   429,406.56/592,607.88 = 248,151.69/x
3. Step 3: Cross multiply
   429,406.56x = 592,607.88 × 248,151.69
4. Step 4: Simplify right side
   429,406.56x = 147,056,646,929.32
5. Step 5: Solve for x
   x = 147,056,646,929.32/429,406.56
6. Step 6: Final answer
   x = 342,464.84