Finding the Fourth Proportional to 10,071.16, 15,049.01 and 7,686.04

Step by Step Solution

1. Step 1: Write the proportion equation
   10,071.16 : 15,049.01 = 7,686.04 : x
2. Step 2: Convert to fraction form
   10,071.16/15,049.01 = 7,686.04/x
3. Step 3: Cross multiply
   10,071.16x = 15,049.01 × 7,686.04
4. Step 4: Simplify right side
   10,071.16x = 115,667,292.82
5. Step 5: Solve for x
   x = 115,667,292.82/10,071.16
6. Step 6: Final answer
   x = 11,485.00