Finding the Fourth Proportional to 10,875.52, 16,310.85 and 5,323.30

Step by Step Solution

1. Step 1: Write the proportion equation
   10,875.52 : 16,310.85 = 5,323.30 : x
2. Step 2: Convert to fraction form
   10,875.52/16,310.85 = 5,323.30/x
3. Step 3: Cross multiply
   10,875.52x = 16,310.85 × 5,323.30
4. Step 4: Simplify right side
   10,875.52x = 86,827,547.81
5. Step 5: Solve for x
   x = 86,827,547.81/10,875.52
6. Step 6: Final answer
   x = 7,983.76