Finding the Fourth Proportional to 318,168.55, 439,061.38 and 174,927.49

Step by Step Solution

1. Step 1: Write the proportion equation
   318,168.55 : 439,061.38 = 174,927.49 : x
2. Step 2: Convert to fraction form
   318,168.55/439,061.38 = 174,927.49/x
3. Step 3: Cross multiply
   318,168.55x = 439,061.38 × 174,927.49
4. Step 4: Simplify right side
   318,168.55x = 76,803,902,089.39
5. Step 5: Solve for x
   x = 76,803,902,089.39/318,168.55
6. Step 6: Final answer
   x = 241,393.76