Finding the Fourth Proportional to 1,372.62, 2,058.83 and 888.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,372.62 : 2,058.83 = 888.72 : x
2. Step 2: Convert to fraction form
   1,372.62/2,058.83 = 888.72/x
3. Step 3: Cross multiply
   1,372.62x = 2,058.83 × 888.72
4. Step 4: Simplify right side
   1,372.62x = 1,829,723.40
5. Step 5: Solve for x
   x = 1,829,723.40/1,372.62
6. Step 6: Final answer
   x = 1,333.02