Finding the Fourth Proportional to 587,642.56, 810,876.72 and 345,871.52

Step by Step Solution

1. Step 1: Write the proportion equation
   587,642.56 : 810,876.72 = 345,871.52 : x
2. Step 2: Convert to fraction form
   587,642.56/810,876.72 = 345,871.52/x
3. Step 3: Cross multiply
   587,642.56x = 810,876.72 × 345,871.52
4. Step 4: Simplify right side
   587,642.56x = 280,459,163,679.01
5. Step 5: Solve for x
   x = 280,459,163,679.01/587,642.56
6. Step 6: Final answer
   x = 477,261.49