Finding the Fourth Proportional to 1,154.30, 1,737.69 and 1,053.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,154.30 : 1,737.69 = 1,053.86 : x
2. Step 2: Convert to fraction form
   1,154.30/1,737.69 = 1,053.86/x
3. Step 3: Cross multiply
   1,154.30x = 1,737.69 × 1,053.86
4. Step 4: Simplify right side
   1,154.30x = 1,831,286.33
5. Step 5: Solve for x
   x = 1,831,286.33/1,154.30
6. Step 6: Final answer
   x = 1,586.49