Finding the Fourth Proportional to 9,981.15, 13,773.42 and 5,504.91

Step by Step Solution

1. Step 1: Write the proportion equation
   9,981.15 : 13,773.42 = 5,504.91 : x
2. Step 2: Convert to fraction form
   9,981.15/13,773.42 = 5,504.91/x
3. Step 3: Cross multiply
   9,981.15x = 13,773.42 × 5,504.91
4. Step 4: Simplify right side
   9,981.15x = 75,821,437.49
5. Step 5: Solve for x
   x = 75,821,437.49/9,981.15
6. Step 6: Final answer
   x = 7,596.46