Finding the Fourth Proportional to 17,690.10, 26,536.51 and 7,155.14

Step by Step Solution

1. Step 1: Write the proportion equation
   17,690.10 : 26,536.51 = 7,155.14 : x
2. Step 2: Convert to fraction form
   17,690.10/26,536.51 = 7,155.14/x
3. Step 3: Cross multiply
   17,690.10x = 26,536.51 × 7,155.14
4. Step 4: Simplify right side
   17,690.10x = 189,872,320.42
5. Step 5: Solve for x
   x = 189,872,320.42/17,690.10
6. Step 6: Final answer
   x = 10,733.26