Finding the Fourth Proportional to 2,191.98, 3,300.83 and 1,579.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,191.98 : 3,300.83 = 1,579.93 : x
2. Step 2: Convert to fraction form
   2,191.98/3,300.83 = 1,579.93/x
3. Step 3: Cross multiply
   2,191.98x = 3,300.83 × 1,579.93
4. Step 4: Simplify right side
   2,191.98x = 5,215,064.19
5. Step 5: Solve for x
   x = 5,215,064.19/2,191.98
6. Step 6: Final answer
   x = 2,379.16