Finding the Fourth Proportional to 12,870.27, 17,761.41 and 7,565.00

Step by Step Solution

1. Step 1: Write the proportion equation
   12,870.27 : 17,761.41 = 7,565.00 : x
2. Step 2: Convert to fraction form
   12,870.27/17,761.41 = 7,565.00/x
3. Step 3: Cross multiply
   12,870.27x = 17,761.41 × 7,565.00
4. Step 4: Simplify right side
   12,870.27x = 134,364,977.84
5. Step 5: Solve for x
   x = 134,364,977.84/12,870.27
6. Step 6: Final answer
   x = 10,439.95