Finding the Fourth Proportional to 9,690.84, 13,380.80 and 7,044.57

Step by Step Solution

1. Step 1: Write the proportion equation
   9,690.84 : 13,380.80 = 7,044.57 : x
2. Step 2: Convert to fraction form
   9,690.84/13,380.80 = 7,044.57/x
3. Step 3: Cross multiply
   9,690.84x = 13,380.80 × 7,044.57
4. Step 4: Simplify right side
   9,690.84x = 94,261,947.03
5. Step 5: Solve for x
   x = 94,261,947.03/9,690.84
6. Step 6: Final answer
   x = 9,726.91