Finding the Fourth Proportional to 9,084.02, 12,534.98 and 5,105.57

Step by Step Solution

1. Step 1: Write the proportion equation
   9,084.02 : 12,534.98 = 5,105.57 : x
2. Step 2: Convert to fraction form
   9,084.02/12,534.98 = 5,105.57/x
3. Step 3: Cross multiply
   9,084.02x = 12,534.98 × 5,105.57
4. Step 4: Simplify right side
   9,084.02x = 63,998,129.64
5. Step 5: Solve for x
   x = 63,998,129.64/9,084.02
6. Step 6: Final answer
   x = 7,045.14