Finding the Fourth Proportional to 10,838.72, 14,956.98 and 6,123.17

Step by Step Solution

1. Step 1: Write the proportion equation
   10,838.72 : 14,956.98 = 6,123.17 : x
2. Step 2: Convert to fraction form
   10,838.72/14,956.98 = 6,123.17/x
3. Step 3: Cross multiply
   10,838.72x = 14,956.98 × 6,123.17
4. Step 4: Simplify right side
   10,838.72x = 91,584,131.23
5. Step 5: Solve for x
   x = 91,584,131.23/10,838.72
6. Step 6: Final answer
   x = 8,449.72