Finding the Fourth Proportional to 1,632,664.20, 2,449,020.72 and 621,841.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,632,664.20 : 2,449,020.72 = 621,841.98 : x
2. Step 2: Convert to fraction form
   1,632,664.20/2,449,020.72 = 621,841.98/x
3. Step 3: Cross multiply
   1,632,664.20x = 2,449,020.72 × 621,841.98
4. Step 4: Simplify right side
   1,632,664.20x = 1,522,903,893,585.83
5. Step 5: Solve for x
   x = 1,522,903,893,585.83/1,632,664.20
6. Step 6: Final answer
   x = 932,772.27