Finding the Fourth Proportional to 10,063.60, 13,887.10 and 5,587.14

Step by Step Solution

1. Step 1: Write the proportion equation
   10,063.60 : 13,887.10 = 5,587.14 : x
2. Step 2: Convert to fraction form
   10,063.60/13,887.10 = 5,587.14/x
3. Step 3: Cross multiply
   10,063.60x = 13,887.10 × 5,587.14
4. Step 4: Simplify right side
   10,063.60x = 77,589,171.89
5. Step 5: Solve for x
   x = 77,589,171.89/10,063.60
6. Step 6: Final answer
   x = 7,709.88