Finding the Fourth Proportional to 26,061.18, 39,085.56 and 10,265.64

Step by Step Solution

1. Step 1: Write the proportion equation
   26,061.18 : 39,085.56 = 10,265.64 : x
2. Step 2: Convert to fraction form
   26,061.18/39,085.56 = 10,265.64/x
3. Step 3: Cross multiply
   26,061.18x = 39,085.56 × 10,265.64
4. Step 4: Simplify right side
   26,061.18x = 401,238,288.16
5. Step 5: Solve for x
   x = 401,238,288.16/26,061.18
6. Step 6: Final answer
   x = 15,396.01