Finding the Fourth Proportional to 10,064.85, 13,889.52 and 5,588.61

Step by Step Solution

1. Step 1: Write the proportion equation
   10,064.85 : 13,889.52 = 5,588.61 : x
2. Step 2: Convert to fraction form
   10,064.85/13,889.52 = 5,588.61/x
3. Step 3: Cross multiply
   10,064.85x = 13,889.52 × 5,588.61
4. Step 4: Simplify right side
   10,064.85x = 77,623,110.37
5. Step 5: Solve for x
   x = 77,623,110.37/10,064.85
6. Step 6: Final answer
   x = 7,712.30