Finding the Fourth Proportional to 9,131.99, 12,601.53 and 5,152.32

Step by Step Solution

1. Step 1: Write the proportion equation
   9,131.99 : 12,601.53 = 5,152.32 : x
2. Step 2: Convert to fraction form
   9,131.99/12,601.53 = 5,152.32/x
3. Step 3: Cross multiply
   9,131.99x = 12,601.53 × 5,152.32
4. Step 4: Simplify right side
   9,131.99x = 64,927,115.05
5. Step 5: Solve for x
   x = 64,927,115.05/9,131.99
6. Step 6: Final answer
   x = 7,109.86