Finding the Fourth Proportional to 1,705.34, 2,354.46 and 1,076.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,705.34 : 2,354.46 = 1,076.72 : x
2. Step 2: Convert to fraction form
   1,705.34/2,354.46 = 1,076.72/x
3. Step 3: Cross multiply
   1,705.34x = 2,354.46 × 1,076.72
4. Step 4: Simplify right side
   1,705.34x = 2,535,094.17
5. Step 5: Solve for x
   x = 2,535,094.17/1,705.34
6. Step 6: Final answer
   x = 1,486.56