Finding the Fourth Proportional to 318,156.84, 439,056.72 and 174,919.32

Step by Step Solution

1. Step 1: Write the proportion equation
   318,156.84 : 439,056.72 = 174,919.32 : x
2. Step 2: Convert to fraction form
   318,156.84/439,056.72 = 174,919.32/x
3. Step 3: Cross multiply
   318,156.84x = 439,056.72 × 174,919.32
4. Step 4: Simplify right side
   318,156.84x = 76,799,502,903.83
5. Step 5: Solve for x
   x = 76,799,502,903.83/318,156.84
6. Step 6: Final answer
   x = 241,388.82