Finding the Fourth Proportional to 10,500.51, 14,490.72 and 5,784.69

Step by Step Solution

1. Step 1: Write the proportion equation
   10,500.51 : 14,490.72 = 5,784.69 : x
2. Step 2: Convert to fraction form
   10,500.51/14,490.72 = 5,784.69/x
3. Step 3: Cross multiply
   10,500.51x = 14,490.72 × 5,784.69
4. Step 4: Simplify right side
   10,500.51x = 83,824,323.08
5. Step 5: Solve for x
   x = 83,824,323.08/10,500.51
6. Step 6: Final answer
   x = 7,982.88