Finding the Fourth Proportional to 1,493.30, 2,235.83 and 1,126.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,493.30 : 2,235.83 = 1,126.98 : x
2. Step 2: Convert to fraction form
   1,493.30/2,235.83 = 1,126.98/x
3. Step 3: Cross multiply
   1,493.30x = 2,235.83 × 1,126.98
4. Step 4: Simplify right side
   1,493.30x = 2,519,730.06
5. Step 5: Solve for x
   x = 2,519,730.06/1,493.30
6. Step 6: Final answer
   x = 1,687.35