Finding the Fourth Proportional to 12,465.26, 18,700.94 and 3,700.18

Step by Step Solution

1. Step 1: Write the proportion equation
   12,465.26 : 18,700.94 = 3,700.18 : x
2. Step 2: Convert to fraction form
   12,465.26/18,700.94 = 3,700.18/x
3. Step 3: Cross multiply
   12,465.26x = 18,700.94 × 3,700.18
4. Step 4: Simplify right side
   12,465.26x = 69,196,876.80
5. Step 5: Solve for x
   x = 69,196,876.80/12,465.26
6. Step 6: Final answer
   x = 5,551.18