Finding the Fourth Proportional to 9,981.93, 13,774.96 and 5,505.87

Step by Step Solution

1. Step 1: Write the proportion equation
   9,981.93 : 13,774.96 = 5,505.87 : x
2. Step 2: Convert to fraction form
   9,981.93/13,774.96 = 5,505.87/x
3. Step 3: Cross multiply
   9,981.93x = 13,774.96 × 5,505.87
4. Step 4: Simplify right side
   9,981.93x = 75,843,139.02
5. Step 5: Solve for x
   x = 75,843,139.02/9,981.93
6. Step 6: Final answer
   x = 7,598.04