Finding the Fourth Proportional to 1,333.40, 1,996.45 and 1,102.95

Step by Step Solution

1. Step 1: Write the proportion equation
   1,333.40 : 1,996.45 = 1,102.95 : x
2. Step 2: Convert to fraction form
   1,333.40/1,996.45 = 1,102.95/x
3. Step 3: Cross multiply
   1,333.40x = 1,996.45 × 1,102.95
4. Step 4: Simplify right side
   1,333.40x = 2,201,981.77
5. Step 5: Solve for x
   x = 2,201,981.77/1,333.40
6. Step 6: Final answer
   x = 1,651.41