Finding the Fourth Proportional to 10,334.72, 14,264.88 and 7,690.88

Step by Step Solution

1. Step 1: Write the proportion equation
   10,334.72 : 14,264.88 = 7,690.88 : x
2. Step 2: Convert to fraction form
   10,334.72/14,264.88 = 7,690.88/x
3. Step 3: Cross multiply
   10,334.72x = 14,264.88 × 7,690.88
4. Step 4: Simplify right side
   10,334.72x = 109,709,480.29
5. Step 5: Solve for x
   x = 109,709,480.29/10,334.72
6. Step 6: Final answer
   x = 10,615.62