Finding the Fourth Proportional to 12,004.32, 16,562.62 and 7,755.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,004.32 : 16,562.62 = 7,755.56 : x
2. Step 2: Convert to fraction form
   12,004.32/16,562.62 = 7,755.56/x
3. Step 3: Cross multiply
   12,004.32x = 16,562.62 × 7,755.56
4. Step 4: Simplify right side
   12,004.32x = 128,452,393.17
5. Step 5: Solve for x
   x = 128,452,393.17/12,004.32
6. Step 6: Final answer
   x = 10,700.51