Finding the Fourth Proportional to 5,079.29, 7,009.76 and 3,089.93

Step by Step Solution

1. Step 1: Write the proportion equation
   5,079.29 : 7,009.76 = 3,089.93 : x
2. Step 2: Convert to fraction form
   5,079.29/7,009.76 = 3,089.93/x
3. Step 3: Cross multiply
   5,079.29x = 7,009.76 × 3,089.93
4. Step 4: Simplify right side
   5,079.29x = 21,659,667.72
5. Step 5: Solve for x
   x = 21,659,667.72/5,079.29
6. Step 6: Final answer
   x = 4,264.31