Finding the Fourth Proportional to 1,194.90, 1,648.56 and 670.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,194.90 : 1,648.56 = 670.82 : x
2. Step 2: Convert to fraction form
   1,194.90/1,648.56 = 670.82/x
3. Step 3: Cross multiply
   1,194.90x = 1,648.56 × 670.82
4. Step 4: Simplify right side
   1,194.90x = 1,105,887.02
5. Step 5: Solve for x
   x = 1,105,887.02/1,194.90
6. Step 6: Final answer
   x = 925.51