Finding the Fourth Proportional to 12,475.72, 18,697.42 and 5,071.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,475.72 : 18,697.42 = 5,071.52 : x
2. Step 2: Convert to fraction form
   12,475.72/18,697.42 = 5,071.52/x
3. Step 3: Cross multiply
   12,475.72x = 18,697.42 × 5,071.52
4. Step 4: Simplify right side
   12,475.72x = 94,824,339.48
5. Step 5: Solve for x
   x = 94,824,339.48/12,475.72
6. Step 6: Final answer
   x = 7,600.71