Finding the Fourth Proportional to 243,359.34, 365,132.50 and 171,381.34

Step by Step Solution

1. Step 1: Write the proportion equation
   243,359.34 : 365,132.50 = 171,381.34 : x
2. Step 2: Convert to fraction form
   243,359.34/365,132.50 = 171,381.34/x
3. Step 3: Cross multiply
   243,359.34x = 365,132.50 × 171,381.34
4. Step 4: Simplify right side
   243,359.34x = 62,576,897,127.55
5. Step 5: Solve for x
   x = 62,576,897,127.55/243,359.34
6. Step 6: Final answer
   x = 257,137.85