Finding the Fourth Proportional to 9,091.58, 12,545.70 and 5,111.92

Step by Step Solution

1. Step 1: Write the proportion equation
   9,091.58 : 12,545.70 = 5,111.92 : x
2. Step 2: Convert to fraction form
   9,091.58/12,545.70 = 5,111.92/x
3. Step 3: Cross multiply
   9,091.58x = 12,545.70 × 5,111.92
4. Step 4: Simplify right side
   9,091.58x = 64,132,614.74
5. Step 5: Solve for x
   x = 64,132,614.74/9,091.58
6. Step 6: Final answer
   x = 7,054.07