Finding the Fourth Proportional to 2,131.01, 2,952.20 and 2,079.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,131.01 : 2,952.20 = 2,079.98 : x
2. Step 2: Convert to fraction form
   2,131.01/2,952.20 = 2,079.98/x
3. Step 3: Cross multiply
   2,131.01x = 2,952.20 × 2,079.98
4. Step 4: Simplify right side
   2,131.01x = 6,140,506.77
5. Step 5: Solve for x
   x = 6,140,506.77/2,131.01
6. Step 6: Final answer
   x = 2,881.50