Finding the Fourth Proportional to 9,091.49, 12,545.37 and 5,112.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,091.49 : 12,545.37 = 5,112.52 : x
2. Step 2: Convert to fraction form
   9,091.49/12,545.37 = 5,112.52/x
3. Step 3: Cross multiply
   9,091.49x = 12,545.37 × 5,112.52
4. Step 4: Simplify right side
   9,091.49x = 64,138,416.48
5. Step 5: Solve for x
   x = 64,138,416.48/9,091.49
6. Step 6: Final answer
   x = 7,054.77