Finding the Fourth Proportional to 1,554,575.32, 2,331,641.52 and 489,589.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,554,575.32 : 2,331,641.52 = 489,589.69 : x
2. Step 2: Convert to fraction form
   1,554,575.32/2,331,641.52 = 489,589.69/x
3. Step 3: Cross multiply
   1,554,575.32x = 2,331,641.52 × 489,589.69
4. Step 4: Simplify right side
   1,554,575.32x = 1,141,547,637,309.72
5. Step 5: Solve for x
   x = 1,141,547,637,309.72/1,554,575.32
6. Step 6: Final answer
   x = 734,314.78