Finding the Fourth Proportional to 10,867.74, 16,299.72 and 5,023.86

Step by Step Solution

1. Step 1: Write the proportion equation
   10,867.74 : 16,299.72 = 5,023.86 : x
2. Step 2: Convert to fraction form
   10,867.74/16,299.72 = 5,023.86/x
3. Step 3: Cross multiply
   10,867.74x = 16,299.72 × 5,023.86
4. Step 4: Simplify right side
   10,867.74x = 81,887,511.32
5. Step 5: Solve for x
   x = 81,887,511.32/10,867.74
6. Step 6: Final answer
   x = 7,534.92