Finding the Fourth Proportional to 5,139.88, 7,093.16 and 2,901.96

Step by Step Solution

1. Step 1: Write the proportion equation
   5,139.88 : 7,093.16 = 2,901.96 : x
2. Step 2: Convert to fraction form
   5,139.88/7,093.16 = 2,901.96/x
3. Step 3: Cross multiply
   5,139.88x = 7,093.16 × 2,901.96
4. Step 4: Simplify right side
   5,139.88x = 20,584,066.59
5. Step 5: Solve for x
   x = 20,584,066.59/5,139.88
6. Step 6: Final answer
   x = 4,004.78