Finding the Fourth Proportional to 10,073.80, 13,900.28 and 5,597.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,073.80 : 13,900.28 = 5,597.12 : x
2. Step 2: Convert to fraction form
   10,073.80/13,900.28 = 5,597.12/x
3. Step 3: Cross multiply
   10,073.80x = 13,900.28 × 5,597.12
4. Step 4: Simplify right side
   10,073.80x = 77,801,535.19
5. Step 5: Solve for x
   x = 77,801,535.19/10,073.80
6. Step 6: Final answer
   x = 7,723.16