Finding the Fourth Proportional to 3,500.55, 4,830.50 and 2,507.49

Step by Step Solution

1. Step 1: Write the proportion equation
   3,500.55 : 4,830.50 = 2,507.49 : x
2. Step 2: Convert to fraction form
   3,500.55/4,830.50 = 2,507.49/x
3. Step 3: Cross multiply
   3,500.55x = 4,830.50 × 2,507.49
4. Step 4: Simplify right side
   3,500.55x = 12,112,436.71
5. Step 5: Solve for x
   x = 12,112,436.71/3,500.55
6. Step 6: Final answer
   x = 3,460.15