Finding the Fourth Proportional to 1,901.98, 2,854.59 and 748.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,901.98 : 2,854.59 = 748.54 : x
2. Step 2: Convert to fraction form
   1,901.98/2,854.59 = 748.54/x
3. Step 3: Cross multiply
   1,901.98x = 2,854.59 × 748.54
4. Step 4: Simplify right side
   1,901.98x = 2,136,774.80
5. Step 5: Solve for x
   x = 2,136,774.80/1,901.98
6. Step 6: Final answer
   x = 1,123.45