Finding the Fourth Proportional to 9,131.48, 12,601.32 and 5,152.04

Step by Step Solution

1. Step 1: Write the proportion equation
   9,131.48 : 12,601.32 = 5,152.04 : x
2. Step 2: Convert to fraction form
   9,131.48/12,601.32 = 5,152.04/x
3. Step 3: Cross multiply
   9,131.48x = 12,601.32 × 5,152.04
4. Step 4: Simplify right side
   9,131.48x = 64,922,504.69
5. Step 5: Solve for x
   x = 64,922,504.69/9,131.48
6. Step 6: Final answer
   x = 7,109.75