Finding the Fourth Proportional to 2,770,979.60, 3,826,592.76 and 2,620,019.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,770,979.60 : 3,826,592.76 = 2,620,019.24 : x
2. Step 2: Convert to fraction form
   2,770,979.60/3,826,592.76 = 2,620,019.24/x
3. Step 3: Cross multiply
   2,770,979.60x = 3,826,592.76 × 2,620,019.24
4. Step 4: Simplify right side
   2,770,979.60x = 10,025,746,654,844.70
5. Step 5: Solve for x
   x = 10,025,746,654,844.70/2,770,979.60
6. Step 6: Final answer
   x = 3,618,123.59