Finding the Fourth Proportional to 1,061.62, 1,594.02 and 916.51

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061.62 : 1,594.02 = 916.51 : x
2. Step 2: Convert to fraction form
   1,061.62/1,594.02 = 916.51/x
3. Step 3: Cross multiply
   1,061.62x = 1,594.02 × 916.51
4. Step 4: Simplify right side
   1,061.62x = 1,460,935.27
5. Step 5: Solve for x
   x = 1,460,935.27/1,061.62
6. Step 6: Final answer
   x = 1,376.14