Finding the Fourth Proportional to 13,061.07, 18,024.27 and 7,472.07

Step by Step Solution

1. Step 1: Write the proportion equation
   13,061.07 : 18,024.27 = 7,472.07 : x
2. Step 2: Convert to fraction form
   13,061.07/18,024.27 = 7,472.07/x
3. Step 3: Cross multiply
   13,061.07x = 18,024.27 × 7,472.07
4. Step 4: Simplify right side
   13,061.07x = 134,678,607.14
5. Step 5: Solve for x
   x = 134,678,607.14/13,061.07
6. Step 6: Final answer
   x = 10,311.45