Finding the Fourth Proportional to 1,550,834.40, 2,326,362.72 and 413,590.80

Step by Step Solution

1. Step 1: Write the proportion equation
   1,550,834.40 : 2,326,362.72 = 413,590.80 : x
2. Step 2: Convert to fraction form
   1,550,834.40/2,326,362.72 = 413,590.80/x
3. Step 3: Cross multiply
   1,550,834.40x = 2,326,362.72 × 413,590.80
4. Step 4: Simplify right side
   1,550,834.40x = 962,162,218,454.98
5. Step 5: Solve for x
   x = 962,162,218,454.98/1,550,834.40
6. Step 6: Final answer
   x = 620,415.83