Finding the Fourth Proportional to 13,061.02, 18,024.52 and 7,755.86

Step by Step Solution

1. Step 1: Write the proportion equation
   13,061.02 : 18,024.52 = 7,755.86 : x
2. Step 2: Convert to fraction form
   13,061.02/18,024.52 = 7,755.86/x
3. Step 3: Cross multiply
   13,061.02x = 18,024.52 × 7,755.86
4. Step 4: Simplify right side
   13,061.02x = 139,795,653.69
5. Step 5: Solve for x
   x = 139,795,653.69/13,061.02
6. Step 6: Final answer
   x = 10,703.27