Finding the Fourth Proportional to 13,062.02, 18,025.90 and 7,756.86

Step by Step Solution

1. Step 1: Write the proportion equation
   13,062.02 : 18,025.90 = 7,756.86 : x
2. Step 2: Convert to fraction form
   13,062.02/18,025.90 = 7,756.86/x
3. Step 3: Cross multiply
   13,062.02x = 18,025.90 × 7,756.86
4. Step 4: Simplify right side
   13,062.02x = 139,824,382.67
5. Step 5: Solve for x
   x = 139,824,382.67/13,062.02
6. Step 6: Final answer
   x = 10,704.65