Finding the Fourth Proportional to 5,190.64, 7,162.72 and 2,832.74

Step by Step Solution

1. Step 1: Write the proportion equation
   5,190.64 : 7,162.72 = 2,832.74 : x
2. Step 2: Convert to fraction form
   5,190.64/7,162.72 = 2,832.74/x
3. Step 3: Cross multiply
   5,190.64x = 7,162.72 × 2,832.74
4. Step 4: Simplify right side
   5,190.64x = 20,290,123.45
5. Step 5: Solve for x
   x = 20,290,123.45/5,190.64
6. Step 6: Final answer
   x = 3,908.98