Finding the Fourth Proportional to 10,423.91, 14,384.98 and 5,643.83

Step by Step Solution

1. Step 1: Write the proportion equation
   10,423.91 : 14,384.98 = 5,643.83 : x
2. Step 2: Convert to fraction form
   10,423.91/14,384.98 = 5,643.83/x
3. Step 3: Cross multiply
   10,423.91x = 14,384.98 × 5,643.83
4. Step 4: Simplify right side
   10,423.91x = 81,186,424.69
5. Step 5: Solve for x
   x = 81,186,424.69/10,423.91
6. Step 6: Final answer
   x = 7,788.48