Finding the Fourth Proportional to 9,131.01, 12,601.65 and 5,545.11

Step by Step Solution

1. Step 1: Write the proportion equation
   9,131.01 : 12,601.65 = 5,545.11 : x
2. Step 2: Convert to fraction form
   9,131.01/12,601.65 = 5,545.11/x
3. Step 3: Cross multiply
   9,131.01x = 12,601.65 × 5,545.11
4. Step 4: Simplify right side
   9,131.01x = 69,877,535.43
5. Step 5: Solve for x
   x = 69,877,535.43/9,131.01
6. Step 6: Final answer
   x = 7,652.77