Finding the Fourth Proportional to 14,510.91, 21,768.89 and 5,274.75

Step by Step Solution

1. Step 1: Write the proportion equation
   14,510.91 : 21,768.89 = 5,274.75 : x
2. Step 2: Convert to fraction form
   14,510.91/21,768.89 = 5,274.75/x
3. Step 3: Cross multiply
   14,510.91x = 21,768.89 × 5,274.75
4. Step 4: Simplify right side
   14,510.91x = 114,825,426.15
5. Step 5: Solve for x
   x = 114,825,426.15/14,510.91
6. Step 6: Final answer
   x = 7,913.04