Finding the Fourth Proportional to 1,372.83, 1,895.31 and 901.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,372.83 : 1,895.31 = 901.48 : x
2. Step 2: Convert to fraction form
   1,372.83/1,895.31 = 901.48/x
3. Step 3: Cross multiply
   1,372.83x = 1,895.31 × 901.48
4. Step 4: Simplify right side
   1,372.83x = 1,708,579.32
5. Step 5: Solve for x
   x = 1,708,579.32/1,372.83
6. Step 6: Final answer
   x = 1,244.57