Finding the Fourth Proportional to 10,296.59, 14,209.31 and 5,580.87

Step by Step Solution

1. Step 1: Write the proportion equation
   10,296.59 : 14,209.31 = 5,580.87 : x
2. Step 2: Convert to fraction form
   10,296.59/14,209.31 = 5,580.87/x
3. Step 3: Cross multiply
   10,296.59x = 14,209.31 × 5,580.87
4. Step 4: Simplify right side
   10,296.59x = 79,300,272.57
5. Step 5: Solve for x
   x = 79,300,272.57/10,296.59
6. Step 6: Final answer
   x = 7,701.61