Finding the Fourth Proportional to 2,910,391.50, 4,362,276.79 and 1,770,641.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,910,391.50 : 4,362,276.79 = 1,770,641.31 : x
2. Step 2: Convert to fraction form
   2,910,391.50/4,362,276.79 = 1,770,641.31/x
3. Step 3: Cross multiply
   2,910,391.50x = 4,362,276.79 × 1,770,641.31
4. Step 4: Simplify right side
   2,910,391.50x = 7,724,027,490,028.20
5. Step 5: Solve for x
   x = 7,724,027,490,028.20/2,910,391.50
6. Step 6: Final answer
   x = 2,653,947.93