Finding the Fourth Proportional to 12,475.50, 18,716.34 and 3,710.39

Step by Step Solution

1. Step 1: Write the proportion equation
   12,475.50 : 18,716.34 = 3,710.39 : x
2. Step 2: Convert to fraction form
   12,475.50/18,716.34 = 3,710.39/x
3. Step 3: Cross multiply
   12,475.50x = 18,716.34 × 3,710.39
4. Step 4: Simplify right side
   12,475.50x = 69,444,827.19
5. Step 5: Solve for x
   x = 69,444,827.19/12,475.50
6. Step 6: Final answer
   x = 5,566.50