Finding the Fourth Proportional to 1,112.17, 1,667.35 and 463.39

Step by Step Solution

1. Step 1: Write the proportion equation
   1,112.17 : 1,667.35 = 463.39 : x
2. Step 2: Convert to fraction form
   1,112.17/1,667.35 = 463.39/x
3. Step 3: Cross multiply
   1,112.17x = 1,667.35 × 463.39
4. Step 4: Simplify right side
   1,112.17x = 772,629.73
5. Step 5: Solve for x
   x = 772,629.73/1,112.17
6. Step 6: Final answer
   x = 694.71