Finding the Fourth Proportional to 2,097.98, 3,146.34 and 636.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,097.98 : 3,146.34 = 636.74 : x
2. Step 2: Convert to fraction form
   2,097.98/3,146.34 = 636.74/x
3. Step 3: Cross multiply
   2,097.98x = 3,146.34 × 636.74
4. Step 4: Simplify right side
   2,097.98x = 2,003,400.53
5. Step 5: Solve for x
   x = 2,003,400.53/2,097.98
6. Step 6: Final answer
   x = 954.92