Finding the Fourth Proportional to 2,887.97, 4,331.55 and 1,038.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,887.97 : 4,331.55 = 1,038.82 : x
2. Step 2: Convert to fraction form
   2,887.97/4,331.55 = 1,038.82/x
3. Step 3: Cross multiply
   2,887.97x = 4,331.55 × 1,038.82
4. Step 4: Simplify right side
   2,887.97x = 4,499,700.77
5. Step 5: Solve for x
   x = 4,499,700.77/2,887.97
6. Step 6: Final answer
   x = 1,558.08