Finding the Fourth Proportional to 10,071.67, 13,899 and 5,595.43

Step by Step Solution

1. Step 1: Write the proportion equation
   10,071.67 : 13,899 = 5,595.43 : x
2. Step 2: Convert to fraction form
   10,071.67/13,899 = 5,595.43/x
3. Step 3: Cross multiply
   10,071.67x = 13,899 × 5,595.43
4. Step 4: Simplify right side
   10,071.67x = 77,770,881.57
5. Step 5: Solve for x
   x = 77,770,881.57/10,071.67
6. Step 6: Final answer
   x = 7,721.75