Finding the Fourth Proportional to 429,500.06, 592,540.08 and 248,178.56

Step by Step Solution

1. Step 1: Write the proportion equation
   429,500.06 : 592,540.08 = 248,178.56 : x
2. Step 2: Convert to fraction form
   429,500.06/592,540.08 = 248,178.56/x
3. Step 3: Cross multiply
   429,500.06x = 592,540.08 × 248,178.56
4. Step 4: Simplify right side
   429,500.06x = 147,055,743,796.69
5. Step 5: Solve for x
   x = 147,055,743,796.69/429,500.06
6. Step 6: Final answer
   x = 342,388.18