Finding the Fourth Proportional to 2,068.64, 3,102.98 and 607.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,068.64 : 3,102.98 = 607.82 : x
2. Step 2: Convert to fraction form
   2,068.64/3,102.98 = 607.82/x
3. Step 3: Cross multiply
   2,068.64x = 3,102.98 × 607.82
4. Step 4: Simplify right side
   2,068.64x = 1,886,053.30
5. Step 5: Solve for x
   x = 1,886,053.30/2,068.64
6. Step 6: Final answer
   x = 911.74