Finding the Fourth Proportional to 1,667.36, 2,497.86 and 934.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,667.36 : 2,497.86 = 934.72 : x
2. Step 2: Convert to fraction form
   1,667.36/2,497.86 = 934.72/x
3. Step 3: Cross multiply
   1,667.36x = 2,497.86 × 934.72
4. Step 4: Simplify right side
   1,667.36x = 2,334,799.70
5. Step 5: Solve for x
   x = 2,334,799.70/1,667.36
6. Step 6: Final answer
   x = 1,400.30