Finding the Fourth Proportional to 10,064.48, 13,888.27 and 5,587.88

Step by Step Solution

1. Step 1: Write the proportion equation
   10,064.48 : 13,888.27 = 5,587.88 : x
2. Step 2: Convert to fraction form
   10,064.48/13,888.27 = 5,587.88/x
3. Step 3: Cross multiply
   10,064.48x = 13,888.27 × 5,587.88
4. Step 4: Simplify right side
   10,064.48x = 77,605,902.76
5. Step 5: Solve for x
   x = 77,605,902.76/10,064.48
6. Step 6: Final answer
   x = 7,710.87