Finding the Fourth Proportional to 10,500.71, 14,490.97 and 5,784.95

Step by Step Solution

1. Step 1: Write the proportion equation
   10,500.71 : 14,490.97 = 5,784.95 : x
2. Step 2: Convert to fraction form
   10,500.71/14,490.97 = 5,784.95/x
3. Step 3: Cross multiply
   10,500.71x = 14,490.97 × 5,784.95
4. Step 4: Simplify right side
   10,500.71x = 83,829,558.67
5. Step 5: Solve for x
   x = 83,829,558.67/10,500.71
6. Step 6: Final answer
   x = 7,983.23