Finding the Fourth Proportional to 10,065.38, 13,890.46 and 5,588.91

Step by Step Solution

1. Step 1: Write the proportion equation
   10,065.38 : 13,890.46 = 5,588.91 : x
2. Step 2: Convert to fraction form
   10,065.38/13,890.46 = 5,588.91/x
3. Step 3: Cross multiply
   10,065.38x = 13,890.46 × 5,588.91
4. Step 4: Simplify right side
   10,065.38x = 77,632,516.83
5. Step 5: Solve for x
   x = 77,632,516.83/10,065.38
6. Step 6: Final answer
   x = 7,712.83