Finding the Fourth Proportional to 10,795.74, 16,165.52 and 10,139.02

Step by Step Solution

1. Step 1: Write the proportion equation
   10,795.74 : 16,165.52 = 10,139.02 : x
2. Step 2: Convert to fraction form
   10,795.74/16,165.52 = 10,139.02/x
3. Step 3: Cross multiply
   10,795.74x = 16,165.52 × 10,139.02
4. Step 4: Simplify right side
   10,795.74x = 163,902,530.59
5. Step 5: Solve for x
   x = 163,902,530.59/10,795.74
6. Step 6: Final answer
   x = 15,182.15