Finding the Fourth Proportional to 10,875.72, 16,310.94 and 5,026.74

Step by Step Solution

1. Step 1: Write the proportion equation
   10,875.72 : 16,310.94 = 5,026.74 : x
2. Step 2: Convert to fraction form
   10,875.72/16,310.94 = 5,026.74/x
3. Step 3: Cross multiply
   10,875.72x = 16,310.94 × 5,026.74
4. Step 4: Simplify right side
   10,875.72x = 81,990,854.54
5. Step 5: Solve for x
   x = 81,990,854.54/10,875.72
6. Step 6: Final answer
   x = 7,538.89