Finding the Fourth Proportional to 13,061.56, 18,024.96 and 7,472.56

Step by Step Solution

1. Step 1: Write the proportion equation
   13,061.56 : 18,024.96 = 7,472.56 : x
2. Step 2: Convert to fraction form
   13,061.56/18,024.96 = 7,472.56/x
3. Step 3: Cross multiply
   13,061.56x = 18,024.96 × 7,472.56
4. Step 4: Simplify right side
   13,061.56x = 134,692,595.10
5. Step 5: Solve for x
   x = 134,692,595.10/13,061.56
6. Step 6: Final answer
   x = 10,312.14