Finding the Fourth Proportional to 2,630.35, 3,939.72 and 1,973.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,630.35 : 3,939.72 = 1,973.62 : x
2. Step 2: Convert to fraction form
   2,630.35/3,939.72 = 1,973.62/x
3. Step 3: Cross multiply
   2,630.35x = 3,939.72 × 1,973.62
4. Step 4: Simplify right side
   2,630.35x = 7,775,510.19
5. Step 5: Solve for x
   x = 7,775,510.19/2,630.35
6. Step 6: Final answer
   x = 2,956.07