Finding the Fourth Proportional to 2,629.32, 3,937.89 and 1,887

Step by Step Solution

1. Step 1: Write the proportion equation
   2,629.32 : 3,937.89 = 1,887 : x
2. Step 2: Convert to fraction form
   2,629.32/3,937.89 = 1,887/x
3. Step 3: Cross multiply
   2,629.32x = 3,937.89 × 1,887
4. Step 4: Simplify right side
   2,629.32x = 7,430,798.43
5. Step 5: Solve for x
   x = 7,430,798.43/2,629.32
6. Step 6: Final answer
   x = 2,826.13