Finding the Fourth Proportional to 2,656.94, 3,985.52 and 1,356.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,656.94 : 3,985.52 = 1,356.89 : x
2. Step 2: Convert to fraction form
   2,656.94/3,985.52 = 1,356.89/x
3. Step 3: Cross multiply
   2,656.94x = 3,985.52 × 1,356.89
4. Step 4: Simplify right side
   2,656.94x = 5,407,915.41
5. Step 5: Solve for x
   x = 5,407,915.41/2,656.94
6. Step 6: Final answer
   x = 2,035.39