Finding the Fourth Proportional to 5,079.93, 7,011.62 and 3,091.89

Step by Step Solution

1. Step 1: Write the proportion equation
   5,079.93 : 7,011.62 = 3,091.89 : x
2. Step 2: Convert to fraction form
   5,079.93/7,011.62 = 3,091.89/x
3. Step 3: Cross multiply
   5,079.93x = 7,011.62 × 3,091.89
4. Step 4: Simplify right side
   5,079.93x = 21,679,142.30
5. Step 5: Solve for x
   x = 21,679,142.30/5,079.93
6. Step 6: Final answer
   x = 4,267.61