Finding the Fourth Proportional to 10,064.77, 13,889.84 and 5,588.60

Step by Step Solution

1. Step 1: Write the proportion equation
   10,064.77 : 13,889.84 = 5,588.60 : x
2. Step 2: Convert to fraction form
   10,064.77/13,889.84 = 5,588.60/x
3. Step 3: Cross multiply
   10,064.77x = 13,889.84 × 5,588.60
4. Step 4: Simplify right side
   10,064.77x = 77,624,662.43
5. Step 5: Solve for x
   x = 77,624,662.43/10,064.77
6. Step 6: Final answer
   x = 7,712.51