Finding the Fourth Proportional to 12,457.23, 18,686.24 and 5,061.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,457.23 : 18,686.24 = 5,061.52 : x
2. Step 2: Convert to fraction form
   12,457.23/18,686.24 = 5,061.52/x
3. Step 3: Cross multiply
   12,457.23x = 18,686.24 × 5,061.52
4. Step 4: Simplify right side
   12,457.23x = 94,580,777.48
5. Step 5: Solve for x
   x = 94,580,777.48/12,457.23
6. Step 6: Final answer
   x = 7,592.44