Finding the Fourth Proportional to 1,178.01, 1,622.27 and 1,153.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,178.01 : 1,622.27 = 1,153.53 : x
2. Step 2: Convert to fraction form
   1,178.01/1,622.27 = 1,153.53/x
3. Step 3: Cross multiply
   1,178.01x = 1,622.27 × 1,153.53
4. Step 4: Simplify right side
   1,178.01x = 1,871,331.35
5. Step 5: Solve for x
   x = 1,871,331.35/1,178.01
6. Step 6: Final answer
   x = 1,588.55