Finding the Fourth Proportional to 9,969.41, 13,757.78 and 5,493.15

Step by Step Solution

1. Step 1: Write the proportion equation
   9,969.41 : 13,757.78 = 5,493.15 : x
2. Step 2: Convert to fraction form
   9,969.41/13,757.78 = 5,493.15/x
3. Step 3: Cross multiply
   9,969.41x = 13,757.78 × 5,493.15
4. Step 4: Simplify right side
   9,969.41x = 75,573,521.74
5. Step 5: Solve for x
   x = 75,573,521.74/9,969.41
6. Step 6: Final answer
   x = 7,580.54