Finding the Fourth Proportional to 9,060.66, 12,501.54 and 5,522.58

Step by Step Solution

1. Step 1: Write the proportion equation
   9,060.66 : 12,501.54 = 5,522.58 : x
2. Step 2: Convert to fraction form
   9,060.66/12,501.54 = 5,522.58/x
3. Step 3: Cross multiply
   9,060.66x = 12,501.54 × 5,522.58
4. Step 4: Simplify right side
   9,060.66x = 69,040,754.77
5. Step 5: Solve for x
   x = 69,040,754.77/9,060.66
6. Step 6: Final answer
   x = 7,619.84