Finding the Fourth Proportional to 1,554,491.32, 2,331,820.56 and 489,616.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,554,491.32 : 2,331,820.56 = 489,616.72 : x
2. Step 2: Convert to fraction form
   1,554,491.32/2,331,820.56 = 489,616.72/x
3. Step 3: Cross multiply
   1,554,491.32x = 2,331,820.56 × 489,616.72
4. Step 4: Simplify right side
   1,554,491.32x = 1,141,698,334,215.76
5. Step 5: Solve for x
   x = 1,141,698,334,215.76/1,554,491.32
6. Step 6: Final answer
   x = 734,451.41