Finding the Fourth Proportional to 2,910,390.50, 4,362,275.29 and 1,770,640.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,910,390.50 : 4,362,275.29 = 1,770,640.31 : x
2. Step 2: Convert to fraction form
   2,910,390.50/4,362,275.29 = 1,770,640.31/x
3. Step 3: Cross multiply
   2,910,390.50x = 4,362,275.29 × 1,770,640.31
4. Step 4: Simplify right side
   2,910,390.50x = 7,724,020,454,562.31
5. Step 5: Solve for x
   x = 7,724,020,454,562.31/2,910,390.50
6. Step 6: Final answer
   x = 2,653,946.43