Finding the Fourth Proportional to 10,434.84, 15,651.57 and 4,889.43

Step by Step Solution

1. Step 1: Write the proportion equation
   10,434.84 : 15,651.57 = 4,889.43 : x
2. Step 2: Convert to fraction form
   10,434.84/15,651.57 = 4,889.43/x
3. Step 3: Cross multiply
   10,434.84x = 15,651.57 × 4,889.43
4. Step 4: Simplify right side
   10,434.84x = 76,527,255.91
5. Step 5: Solve for x
   x = 76,527,255.91/10,434.84
6. Step 6: Final answer
   x = 7,333.82