Finding the Fourth Proportional to 1,554,493.32, 2,331,823.56 and 489,618.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,554,493.32 : 2,331,823.56 = 489,618.72 : x
2. Step 2: Convert to fraction form
   1,554,493.32/2,331,823.56 = 489,618.72/x
3. Step 3: Cross multiply
   1,554,493.32x = 2,331,823.56 × 489,618.72
4. Step 4: Simplify right side
   1,554,493.32x = 1,141,704,466,713.04
5. Step 5: Solve for x
   x = 1,141,704,466,713.04/1,554,493.32
6. Step 6: Final answer
   x = 734,454.41