Finding the Fourth Proportional to 10,062.36, 15,146.82 and 7,160.76

Step by Step Solution

1. Step 1: Write the proportion equation
   10,062.36 : 15,146.82 = 7,160.76 : x
2. Step 2: Convert to fraction form
   10,062.36/15,146.82 = 7,160.76/x
3. Step 3: Cross multiply
   10,062.36x = 15,146.82 × 7,160.76
4. Step 4: Simplify right side
   10,062.36x = 108,462,742.78
5. Step 5: Solve for x
   x = 108,462,742.78/10,062.36
6. Step 6: Final answer
   x = 10,779.06