Finding the Fourth Proportional to 10,065.38, 13,889.97 and 5,588.99

Step by Step Solution

1. Step 1: Write the proportion equation
   10,065.38 : 13,889.97 = 5,588.99 : x
2. Step 2: Convert to fraction form
   10,065.38/13,889.97 = 5,588.99/x
3. Step 3: Cross multiply
   10,065.38x = 13,889.97 × 5,588.99
4. Step 4: Simplify right side
   10,065.38x = 77,630,903.43
5. Step 5: Solve for x
   x = 77,630,903.43/10,065.38
6. Step 6: Final answer
   x = 7,712.66