Finding the Fourth Proportional to 1,362.52, 1,873.03 and 1,172.77

Step by Step Solution

1. Step 1: Write the proportion equation
   1,362.52 : 1,873.03 = 1,172.77 : x
2. Step 2: Convert to fraction form
   1,362.52/1,873.03 = 1,172.77/x
3. Step 3: Cross multiply
   1,362.52x = 1,873.03 × 1,172.77
4. Step 4: Simplify right side
   1,362.52x = 2,196,633.39
5. Step 5: Solve for x
   x = 2,196,633.39/1,362.52
6. Step 6: Final answer
   x = 1,612.18