Finding the Fourth Proportional to 10,500.03, 14,490.23 and 5,784.21

Step by Step Solution

1. Step 1: Write the proportion equation
   10,500.03 : 14,490.23 = 5,784.21 : x
2. Step 2: Convert to fraction form
   10,500.03/14,490.23 = 5,784.21/x
3. Step 3: Cross multiply
   10,500.03x = 14,490.23 × 5,784.21
4. Step 4: Simplify right side
   10,500.03x = 83,814,504.35
5. Step 5: Solve for x
   x = 83,814,504.35/10,500.03
6. Step 6: Final answer
   x = 7,982.31