Finding the Fourth Proportional to 10,112.99, 15,168.06 and 5,182.65

Step by Step Solution

1. Step 1: Write the proportion equation
   10,112.99 : 15,168.06 = 5,182.65 : x
2. Step 2: Convert to fraction form
   10,112.99/15,168.06 = 5,182.65/x
3. Step 3: Cross multiply
   10,112.99x = 15,168.06 × 5,182.65
4. Step 4: Simplify right side
   10,112.99x = 78,610,746.16
5. Step 5: Solve for x
   x = 78,610,746.16/10,112.99
6. Step 6: Final answer
   x = 7,773.25