Finding the Fourth Proportional to 9,981.09, 13,773.71 and 5,505.26

Step by Step Solution

1. Step 1: Write the proportion equation
   9,981.09 : 13,773.71 = 5,505.26 : x
2. Step 2: Convert to fraction form
   9,981.09/13,773.71 = 5,505.26/x
3. Step 3: Cross multiply
   9,981.09x = 13,773.71 × 5,505.26
4. Step 4: Simplify right side
   9,981.09x = 75,827,758.32
5. Step 5: Solve for x
   x = 75,827,758.32/9,981.09
6. Step 6: Final answer
   x = 7,597.14