Finding the Fourth Proportional to 9,131.36, 12,601.38 and 5,152.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,131.36 : 12,601.38 = 5,152.52 : x
2. Step 2: Convert to fraction form
   9,131.36/12,601.38 = 5,152.52/x
3. Step 3: Cross multiply
   9,131.36x = 12,601.38 × 5,152.52
4. Step 4: Simplify right side
   9,131.36x = 64,928,862.48
5. Step 5: Solve for x
   x = 64,928,862.48/9,131.36
6. Step 6: Final answer
   x = 7,110.54