Finding the Fourth Proportional to 1,385.43, 1,910.60 and 1,032.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,385.43 : 1,910.60 = 1,032.22 : x
2. Step 2: Convert to fraction form
   1,385.43/1,910.60 = 1,032.22/x
3. Step 3: Cross multiply
   1,385.43x = 1,910.60 × 1,032.22
4. Step 4: Simplify right side
   1,385.43x = 1,972,159.53
5. Step 5: Solve for x
   x = 1,972,159.53/1,385.43
6. Step 6: Final answer
   x = 1,423.50