Finding the Fourth Proportional to 318,141.84, 439,024.54 and 174,900.83

Step by Step Solution

1. Step 1: Write the proportion equation
   318,141.84 : 439,024.54 = 174,900.83 : x
2. Step 2: Convert to fraction form
   318,141.84/439,024.54 = 174,900.83/x
3. Step 3: Cross multiply
   318,141.84x = 439,024.54 × 174,900.83
4. Step 4: Simplify right side
   318,141.84x = 76,785,755,561.86
5. Step 5: Solve for x
   x = 76,785,755,561.86/318,141.84
6. Step 6: Final answer
   x = 241,356.99