Finding the Fourth Proportional to 1,808.38, 2,492.31 and 1,365.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,808.38 : 2,492.31 = 1,365.22 : x
2. Step 2: Convert to fraction form
   1,808.38/2,492.31 = 1,365.22/x
3. Step 3: Cross multiply
   1,808.38x = 2,492.31 × 1,365.22
4. Step 4: Simplify right side
   1,808.38x = 3,402,551.46
5. Step 5: Solve for x
   x = 3,402,551.46/1,808.38
6. Step 6: Final answer
   x = 1,881.55