Finding the Fourth Proportional to 2,973.30, 4,105.16 and 2,657.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,973.30 : 4,105.16 = 2,657.55 : x
2. Step 2: Convert to fraction form
   2,973.30/4,105.16 = 2,657.55/x
3. Step 3: Cross multiply
   2,973.30x = 4,105.16 × 2,657.55
4. Step 4: Simplify right side
   2,973.30x = 10,909,674.60
5. Step 5: Solve for x
   x = 10,909,674.60/2,973.30
6. Step 6: Final answer
   x = 3,669.21