Finding the Fourth Proportional to 1,154.69, 1,593.61 and 1,056.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,154.69 : 1,593.61 = 1,056.27 : x
2. Step 2: Convert to fraction form
   1,154.69/1,593.61 = 1,056.27/x
3. Step 3: Cross multiply
   1,154.69x = 1,593.61 × 1,056.27
4. Step 4: Simplify right side
   1,154.69x = 1,683,282.43
5. Step 5: Solve for x
   x = 1,683,282.43/1,154.69
6. Step 6: Final answer
   x = 1,457.78