Finding the Fourth Proportional to 12,381.82, 17,088.08 and 7,075.61

Step by Step Solution

1. Step 1: Write the proportion equation
   12,381.82 : 17,088.08 = 7,075.61 : x
2. Step 2: Convert to fraction form
   12,381.82/17,088.08 = 7,075.61/x
3. Step 3: Cross multiply
   12,381.82x = 17,088.08 × 7,075.61
4. Step 4: Simplify right side
   12,381.82x = 120,908,589.73
5. Step 5: Solve for x
   x = 120,908,589.73/12,381.82
6. Step 6: Final answer
   x = 9,765.01