Finding the Fourth Proportional to 3,700.72, 5,101.06 and 2,505.33

Step by Step Solution

1. Step 1: Write the proportion equation
   3,700.72 : 5,101.06 = 2,505.33 : x
2. Step 2: Convert to fraction form
   3,700.72/5,101.06 = 2,505.33/x
3. Step 3: Cross multiply
   3,700.72x = 5,101.06 × 2,505.33
4. Step 4: Simplify right side
   3,700.72x = 12,779,800.62
5. Step 5: Solve for x
   x = 12,779,800.62/3,700.72
6. Step 6: Final answer
   x = 3,453.33