Finding the Fourth Proportional to 5,187.32, 7,158.56 and 2,829.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,187.32 : 7,158.56 = 2,829.50 : x
2. Step 2: Convert to fraction form
   5,187.32/7,158.56 = 2,829.50/x
3. Step 3: Cross multiply
   5,187.32x = 7,158.56 × 2,829.50
4. Step 4: Simplify right side
   5,187.32x = 20,255,095.58
5. Step 5: Solve for x
   x = 20,255,095.58/5,187.32
6. Step 6: Final answer
   x = 3,904.74