Finding the Fourth Proportional to 2,937.31, 4,404.42 and 1,811.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,937.31 : 4,404.42 = 1,811.59 : x
2. Step 2: Convert to fraction form
   2,937.31/4,404.42 = 1,811.59/x
3. Step 3: Cross multiply
   2,937.31x = 4,404.42 × 1,811.59
4. Step 4: Simplify right side
   2,937.31x = 7,979,003.23
5. Step 5: Solve for x
   x = 7,979,003.23/2,937.31
6. Step 6: Final answer
   x = 2,716.43