Finding the Fourth Proportional to 2,146.95, 2,962.82 and 1,307.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,146.95 : 2,962.82 = 1,307.68 : x
2. Step 2: Convert to fraction form
   2,146.95/2,962.82 = 1,307.68/x
3. Step 3: Cross multiply
   2,146.95x = 2,962.82 × 1,307.68
4. Step 4: Simplify right side
   2,146.95x = 3,874,416.32
5. Step 5: Solve for x
   x = 3,874,416.32/2,146.95
6. Step 6: Final answer
   x = 1,804.61