Finding the Fourth Proportional to 10,066.82, 15,093.34 and 5,126.90

Step by Step Solution

1. Step 1: Write the proportion equation
   10,066.82 : 15,093.34 = 5,126.90 : x
2. Step 2: Convert to fraction form
   10,066.82/15,093.34 = 5,126.90/x
3. Step 3: Cross multiply
   10,066.82x = 15,093.34 × 5,126.90
4. Step 4: Simplify right side
   10,066.82x = 77,382,044.85
5. Step 5: Solve for x
   x = 77,382,044.85/10,066.82
6. Step 6: Final answer
   x = 7,686.84