Finding the Fourth Proportional to 10,124.96, 13,972.59 and 5,588.15

Step by Step Solution

1. Step 1: Write the proportion equation
   10,124.96 : 13,972.59 = 5,588.15 : x
2. Step 2: Convert to fraction form
   10,124.96/13,972.59 = 5,588.15/x
3. Step 3: Cross multiply
   10,124.96x = 13,972.59 × 5,588.15
4. Step 4: Simplify right side
   10,124.96x = 78,080,858.95
5. Step 5: Solve for x
   x = 78,080,858.95/10,124.96
6. Step 6: Final answer
   x = 7,711.72