Finding the Fourth Proportional to 10,063.72, 13,887.28 and 5,587.26

Step by Step Solution

1. Step 1: Write the proportion equation
   10,063.72 : 13,887.28 = 5,587.26 : x
2. Step 2: Convert to fraction form
   10,063.72/13,887.28 = 5,587.26/x
3. Step 3: Cross multiply
   10,063.72x = 13,887.28 × 5,587.26
4. Step 4: Simplify right side
   10,063.72x = 77,591,746.68
5. Step 5: Solve for x
   x = 77,591,746.68/10,063.72
6. Step 6: Final answer
   x = 7,710.05