Finding the Fourth Proportional to 12,761.00, 17,607.60 and 7,454.79

Step by Step Solution

1. Step 1: Write the proportion equation
   12,761.00 : 17,607.60 = 7,454.79 : x
2. Step 2: Convert to fraction form
   12,761.00/17,607.60 = 7,454.79/x
3. Step 3: Cross multiply
   12,761.00x = 17,607.60 × 7,454.79
4. Step 4: Simplify right side
   12,761.00x = 131,260,835.09
5. Step 5: Solve for x
   x = 131,260,835.09/12,761.00
6. Step 6: Final answer
   x = 10,286.10