Finding the Fourth Proportional to 1,068.08, 1,473.83 and 648.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,068.08 : 1,473.83 = 648.53 : x
2. Step 2: Convert to fraction form
   1,068.08/1,473.83 = 648.53/x
3. Step 3: Cross multiply
   1,068.08x = 1,473.83 × 648.53
4. Step 4: Simplify right side
   1,068.08x = 955,820.32
5. Step 5: Solve for x
   x = 955,820.32/1,068.08
6. Step 6: Final answer
   x = 894.90