Finding the Fourth Proportional to 3,659.64, 5,054.72 and 2,663.32

Step by Step Solution

1. Step 1: Write the proportion equation
   3,659.64 : 5,054.72 = 2,663.32 : x
2. Step 2: Convert to fraction form
   3,659.64/5,054.72 = 2,663.32/x
3. Step 3: Cross multiply
   3,659.64x = 5,054.72 × 2,663.32
4. Step 4: Simplify right side
   3,659.64x = 13,462,336.87
5. Step 5: Solve for x
   x = 13,462,336.87/3,659.64
6. Step 6: Final answer
   x = 3,678.60