Finding the Fourth Proportional to 1,348.37, 1,859.59 and 929.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,348.37 : 1,859.59 = 929.40 : x
2. Step 2: Convert to fraction form
   1,348.37/1,859.59 = 929.40/x
3. Step 3: Cross multiply
   1,348.37x = 1,859.59 × 929.40
4. Step 4: Simplify right side
   1,348.37x = 1,728,302.95
5. Step 5: Solve for x
   x = 1,728,302.95/1,348.37
6. Step 6: Final answer
   x = 1,281.77