Finding the Fourth Proportional to 3,703.32, 5,111.03 and 2,131.38

Step by Step Solution

1. Step 1: Write the proportion equation
   3,703.32 : 5,111.03 = 2,131.38 : x
2. Step 2: Convert to fraction form
   3,703.32/5,111.03 = 2,131.38/x
3. Step 3: Cross multiply
   3,703.32x = 5,111.03 × 2,131.38
4. Step 4: Simplify right side
   3,703.32x = 10,893,510.91
5. Step 5: Solve for x
   x = 10,893,510.91/3,703.32
6. Step 6: Final answer
   x = 2,941.56