Finding the Fourth Proportional to 10,063.40, 13,887.93 and 5,587.21

Step by Step Solution

1. Step 1: Write the proportion equation
   10,063.40 : 13,887.93 = 5,587.21 : x
2. Step 2: Convert to fraction form
   10,063.40/13,887.93 = 5,587.21/x
3. Step 3: Cross multiply
   10,063.40x = 13,887.93 × 5,587.21
4. Step 4: Simplify right side
   10,063.40x = 77,594,711.94
5. Step 5: Solve for x
   x = 77,594,711.94/10,063.40
6. Step 6: Final answer
   x = 7,710.59