Finding the Fourth Proportional to 9,998.10, 13,799.30 and 5,752.01

Step by Step Solution

1. Step 1: Write the proportion equation
   9,998.10 : 13,799.30 = 5,752.01 : x
2. Step 2: Convert to fraction form
   9,998.10/13,799.30 = 5,752.01/x
3. Step 3: Cross multiply
   9,998.10x = 13,799.30 × 5,752.01
4. Step 4: Simplify right side
   9,998.10x = 79,373,711.59
5. Step 5: Solve for x
   x = 79,373,711.59/9,998.10
6. Step 6: Final answer
   x = 7,938.88