Finding the Fourth Proportional to 429,800.82, 593,090.42 and 248,524.50

Step by Step Solution

1. Step 1: Write the proportion equation
   429,800.82 : 593,090.42 = 248,524.50 : x
2. Step 2: Convert to fraction form
   429,800.82/593,090.42 = 248,524.50/x
3. Step 3: Cross multiply
   429,800.82x = 593,090.42 × 248,524.50
4. Step 4: Simplify right side
   429,800.82x = 147,397,500,085.29
5. Step 5: Solve for x
   x = 147,397,500,085.29/429,800.82
6. Step 6: Final answer
   x = 342,943.74