Finding the Fourth Proportional to 1,463.72, 2,196.06 and 916.36

Step by Step Solution

1. Step 1: Write the proportion equation
   1,463.72 : 2,196.06 = 916.36 : x
2. Step 2: Convert to fraction form
   1,463.72/2,196.06 = 916.36/x
3. Step 3: Cross multiply
   1,463.72x = 2,196.06 × 916.36
4. Step 4: Simplify right side
   1,463.72x = 2,012,381.54
5. Step 5: Solve for x
   x = 2,012,381.54/1,463.72
6. Step 6: Final answer
   x = 1,374.84