Finding the Fourth Proportional to 10,045.97, 13,862.76 and 5,797.21

Step by Step Solution

1. Step 1: Write the proportion equation
   10,045.97 : 13,862.76 = 5,797.21 : x
2. Step 2: Convert to fraction form
   10,045.97/13,862.76 = 5,797.21/x
3. Step 3: Cross multiply
   10,045.97x = 13,862.76 × 5,797.21
4. Step 4: Simplify right side
   10,045.97x = 80,365,312.15
5. Step 5: Solve for x
   x = 80,365,312.15/10,045.97
6. Step 6: Final answer
   x = 7,999.76