Finding the Fourth Proportional to 9,773.64, 13,487.94 and 5,581.80

Step by Step Solution

1. Step 1: Write the proportion equation
   9,773.64 : 13,487.94 = 5,581.80 : x
2. Step 2: Convert to fraction form
   9,773.64/13,487.94 = 5,581.80/x
3. Step 3: Cross multiply
   9,773.64x = 13,487.94 × 5,581.80
4. Step 4: Simplify right side
   9,773.64x = 75,286,983.49
5. Step 5: Solve for x
   x = 75,286,983.49/9,773.64
6. Step 6: Final answer
   x = 7,703.06