Finding the Fourth Proportional to 1,705.89, 2,353.45 and 1,146.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,705.89 : 2,353.45 = 1,146.72 : x
2. Step 2: Convert to fraction form
   1,705.89/2,353.45 = 1,146.72/x
3. Step 3: Cross multiply
   1,705.89x = 2,353.45 × 1,146.72
4. Step 4: Simplify right side
   1,705.89x = 2,698,748.18
5. Step 5: Solve for x
   x = 2,698,748.18/1,705.89
6. Step 6: Final answer
   x = 1,582.02