Finding the Fourth Proportional to 5,139.29, 7,092.53 and 2,900.34

Step by Step Solution

1. Step 1: Write the proportion equation
   5,139.29 : 7,092.53 = 2,900.34 : x
2. Step 2: Convert to fraction form
   5,139.29/7,092.53 = 2,900.34/x
3. Step 3: Cross multiply
   5,139.29x = 7,092.53 × 2,900.34
4. Step 4: Simplify right side
   5,139.29x = 20,570,782.31
5. Step 5: Solve for x
   x = 20,570,782.31/5,139.29
6. Step 6: Final answer
   x = 4,002.65