Finding the Fourth Proportional to 9,073.56, 13,551.99 and 7,761.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,073.56 : 13,551.99 = 7,761.72 : x
2. Step 2: Convert to fraction form
   9,073.56/13,551.99 = 7,761.72/x
3. Step 3: Cross multiply
   9,073.56x = 13,551.99 × 7,761.72
4. Step 4: Simplify right side
   9,073.56x = 105,186,751.82
5. Step 5: Solve for x
   x = 105,186,751.82/9,073.56
6. Step 6: Final answer
   x = 11,592.67