Finding the Fourth Proportional to 1,347.89, 2,017.65 and 730.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,347.89 : 2,017.65 = 730.06 : x
2. Step 2: Convert to fraction form
   1,347.89/2,017.65 = 730.06/x
3. Step 3: Cross multiply
   1,347.89x = 2,017.65 × 730.06
4. Step 4: Simplify right side
   1,347.89x = 1,472,997.78
5. Step 5: Solve for x
   x = 1,472,997.78/1,347.89
6. Step 6: Final answer
   x = 1,092.82