Finding the Fourth Proportional to 10,279.71, 15,424.27 and 5,592.70

Step by Step Solution

1. Step 1: Write the proportion equation
   10,279.71 : 15,424.27 = 5,592.70 : x
2. Step 2: Convert to fraction form
   10,279.71/15,424.27 = 5,592.70/x
3. Step 3: Cross multiply
   10,279.71x = 15,424.27 × 5,592.70
4. Step 4: Simplify right side
   10,279.71x = 86,263,314.83
5. Step 5: Solve for x
   x = 86,263,314.83/10,279.71
6. Step 6: Final answer
   x = 8,391.61