Finding the Fourth Proportional to 6,151.68, 8,487.86 and 3,500.55

Step by Step Solution

1. Step 1: Write the proportion equation
   6,151.68 : 8,487.86 = 3,500.55 : x
2. Step 2: Convert to fraction form
   6,151.68/8,487.86 = 3,500.55/x
3. Step 3: Cross multiply
   6,151.68x = 8,487.86 × 3,500.55
4. Step 4: Simplify right side
   6,151.68x = 29,712,160.82
5. Step 5: Solve for x
   x = 29,712,160.82/6,151.68
6. Step 6: Final answer
   x = 4,829.93