Finding the Fourth Proportional to 10,074.57, 13,903.21 and 5,598.91

Step by Step Solution

1. Step 1: Write the proportion equation
   10,074.57 : 13,903.21 = 5,598.91 : x
2. Step 2: Convert to fraction form
   10,074.57/13,903.21 = 5,598.91/x
3. Step 3: Cross multiply
   10,074.57x = 13,903.21 × 5,598.91
4. Step 4: Simplify right side
   10,074.57x = 77,842,821.50
5. Step 5: Solve for x
   x = 77,842,821.50/10,074.57
6. Step 6: Final answer
   x = 7,726.66