Finding the Fourth Proportional to 3,791.30, 5,200.89 and 3,742.70

Step by Step Solution

1. Step 1: Write the proportion equation
   3,791.30 : 5,200.89 = 3,742.70 : x
2. Step 2: Convert to fraction form
   3,791.30/5,200.89 = 3,742.70/x
3. Step 3: Cross multiply
   3,791.30x = 5,200.89 × 3,742.70
4. Step 4: Simplify right side
   3,791.30x = 19,465,352.29
5. Step 5: Solve for x
   x = 19,465,352.29/3,791.30
6. Step 6: Final answer
   x = 5,134.22