Finding the Fourth Proportional to 2,991,743.76, 4,156,478.72 and 2,955,871.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,991,743.76 : 4,156,478.72 = 2,955,871.49 : x
2. Step 2: Convert to fraction form
   2,991,743.76/4,156,478.72 = 2,955,871.49/x
3. Step 3: Cross multiply
   2,991,743.76x = 4,156,478.72 × 2,955,871.49
4. Step 4: Simplify right side
   2,991,743.76x = 12,286,016,965,020.57
5. Step 5: Solve for x
   x = 12,286,016,965,020.57/2,991,743.76
6. Step 6: Final answer
   x = 4,106,640.79