Finding the Fourth Proportional to 12,792.53, 17,654.93 and 7,760.30

Step by Step Solution

1. Step 1: Write the proportion equation
   12,792.53 : 17,654.93 = 7,760.30 : x
2. Step 2: Convert to fraction form
   12,792.53/17,654.93 = 7,760.30/x
3. Step 3: Cross multiply
   12,792.53x = 17,654.93 × 7,760.30
4. Step 4: Simplify right side
   12,792.53x = 137,007,484.41
5. Step 5: Solve for x
   x = 137,007,484.41/12,792.53
6. Step 6: Final answer
   x = 10,709.96