Finding the Fourth Proportional to 1,365.50, 1,881.33 and 898.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,365.50 : 1,881.33 = 898.94 : x
2. Step 2: Convert to fraction form
   1,365.50/1,881.33 = 898.94/x
3. Step 3: Cross multiply
   1,365.50x = 1,881.33 × 898.94
4. Step 4: Simplify right side
   1,365.50x = 1,691,193.38
5. Step 5: Solve for x
   x = 1,691,193.38/1,365.50
6. Step 6: Final answer
   x = 1,238.52