Finding the Fourth Proportional to 1,492.82, 2,238.12 and 907.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,492.82 : 2,238.12 = 907.96 : x
2. Step 2: Convert to fraction form
   1,492.82/2,238.12 = 907.96/x
3. Step 3: Cross multiply
   1,492.82x = 2,238.12 × 907.96
4. Step 4: Simplify right side
   1,492.82x = 2,032,123.44
5. Step 5: Solve for x
   x = 2,032,123.44/1,492.82
6. Step 6: Final answer
   x = 1,361.26