Finding the Fourth Proportional to 10,499.45, 14,489.91 and 5,783.74

Step by Step Solution

1. Step 1: Write the proportion equation
   10,499.45 : 14,489.91 = 5,783.74 : x
2. Step 2: Convert to fraction form
   10,499.45/14,489.91 = 5,783.74/x
3. Step 3: Cross multiply
   10,499.45x = 14,489.91 × 5,783.74
4. Step 4: Simplify right side
   10,499.45x = 83,805,872.06
5. Step 5: Solve for x
   x = 83,805,872.06/10,499.45
6. Step 6: Final answer
   x = 7,981.93