Finding the Fourth Proportional to 587,123.68, 880,553.04 and 271,408

Step by Step Solution

1. Step 1: Write the proportion equation
   587,123.68 : 880,553.04 = 271,408 : x
2. Step 2: Convert to fraction form
   587,123.68/880,553.04 = 271,408/x
3. Step 3: Cross multiply
   587,123.68x = 880,553.04 × 271,408
4. Step 4: Simplify right side
   587,123.68x = 238,989,139,480.32
5. Step 5: Solve for x
   x = 238,989,139,480.32/587,123.68
6. Step 6: Final answer
   x = 407,050.76