Finding the Fourth Proportional to 9,091.12, 12,545.04 and 5,111.46

Step by Step Solution

1. Step 1: Write the proportion equation
   9,091.12 : 12,545.04 = 5,111.46 : x
2. Step 2: Convert to fraction form
   9,091.12/12,545.04 = 5,111.46/x
3. Step 3: Cross multiply
   9,091.12x = 12,545.04 × 5,111.46
4. Step 4: Simplify right side
   9,091.12x = 64,123,470.16
5. Step 5: Solve for x
   x = 64,123,470.16/9,091.12
6. Step 6: Final answer
   x = 7,053.42