Finding the Fourth Proportional to 2,429.01, 3,642.59 and 1,331.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,429.01 : 3,642.59 = 1,331.87 : x
2. Step 2: Convert to fraction form
   2,429.01/3,642.59 = 1,331.87/x
3. Step 3: Cross multiply
   2,429.01x = 3,642.59 × 1,331.87
4. Step 4: Simplify right side
   2,429.01x = 4,851,431.47
5. Step 5: Solve for x
   x = 4,851,431.47/2,429.01
6. Step 6: Final answer
   x = 1,997.29