Finding the Fourth Proportional to 5,139.38, 7,091.95 and 2,901.48

Step by Step Solution

1. Step 1: Write the proportion equation
   5,139.38 : 7,091.95 = 2,901.48 : x
2. Step 2: Convert to fraction form
   5,139.38/7,091.95 = 2,901.48/x
3. Step 3: Cross multiply
   5,139.38x = 7,091.95 × 2,901.48
4. Step 4: Simplify right side
   5,139.38x = 20,577,151.09
5. Step 5: Solve for x
   x = 20,577,151.09/5,139.38
6. Step 6: Final answer
   x = 4,003.82