Finding the Fourth Proportional to 5,436.32, 8,151.68 and 3,875.52

Step by Step Solution

1. Step 1: Write the proportion equation
   5,436.32 : 8,151.68 = 3,875.52 : x
2. Step 2: Convert to fraction form
   5,436.32/8,151.68 = 3,875.52/x
3. Step 3: Cross multiply
   5,436.32x = 8,151.68 × 3,875.52
4. Step 4: Simplify right side
   5,436.32x = 31,591,998.87
5. Step 5: Solve for x
   x = 31,591,998.87/5,436.32
6. Step 6: Final answer
   x = 5,811.28