Finding the Fourth Proportional to 3,731.58, 5,591.16 and 2,630.79

Step by Step Solution

1. Step 1: Write the proportion equation
   3,731.58 : 5,591.16 = 2,630.79 : x
2. Step 2: Convert to fraction form
   3,731.58/5,591.16 = 2,630.79/x
3. Step 3: Cross multiply
   3,731.58x = 5,591.16 × 2,630.79
4. Step 4: Simplify right side
   3,731.58x = 14,709,167.82
5. Step 5: Solve for x
   x = 14,709,167.82/3,731.58
6. Step 6: Final answer
   x = 3,941.81