Finding the Fourth Proportional to 1,196.83, 1,653.90 and 901.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,196.83 : 1,653.90 = 901.58 : x
2. Step 2: Convert to fraction form
   1,196.83/1,653.90 = 901.58/x
3. Step 3: Cross multiply
   1,196.83x = 1,653.90 × 901.58
4. Step 4: Simplify right side
   1,196.83x = 1,491,123.16
5. Step 5: Solve for x
   x = 1,491,123.16/1,196.83
6. Step 6: Final answer
   x = 1,245.90