Finding the Fourth Proportional to 12,471.48, 18,707.18 and 5,074.18

Step by Step Solution

1. Step 1: Write the proportion equation
   12,471.48 : 18,707.18 = 5,074.18 : x
2. Step 2: Convert to fraction form
   12,471.48/18,707.18 = 5,074.18/x
3. Step 3: Cross multiply
   12,471.48x = 18,707.18 × 5,074.18
4. Step 4: Simplify right side
   12,471.48x = 94,923,598.61
5. Step 5: Solve for x
   x = 94,923,598.61/12,471.48
6. Step 6: Final answer
   x = 7,611.25