Finding the Fourth Proportional to 2,656.34, 3,985.32 and 1,358.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,656.34 : 3,985.32 = 1,358.72 : x
2. Step 2: Convert to fraction form
   2,656.34/3,985.32 = 1,358.72/x
3. Step 3: Cross multiply
   2,656.34x = 3,985.32 × 1,358.72
4. Step 4: Simplify right side
   2,656.34x = 5,414,914.06
5. Step 5: Solve for x
   x = 5,414,914.06/2,656.34
6. Step 6: Final answer
   x = 2,038.49