Finding the Fourth Proportional to 9,981.06, 13,773.75 and 5,505.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,981.06 : 13,773.75 = 5,505.18 : x
2. Step 2: Convert to fraction form
   9,981.06/13,773.75 = 5,505.18/x
3. Step 3: Cross multiply
   9,981.06x = 13,773.75 × 5,505.18
4. Step 4: Simplify right side
   9,981.06x = 75,826,973.03
5. Step 5: Solve for x
   x = 75,826,973.03/9,981.06
6. Step 6: Final answer
   x = 7,597.09