Finding the Fourth Proportional to 1,554,477.32, 2,331,799.59 and 489,602.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,554,477.32 : 2,331,799.59 = 489,602.72 : x
2. Step 2: Convert to fraction form
   1,554,477.32/2,331,799.59 = 489,602.72/x
3. Step 3: Cross multiply
   1,554,477.32x = 2,331,799.59 × 489,602.72
4. Step 4: Simplify right side
   1,554,477.32x = 1,141,655,421,758.88
5. Step 5: Solve for x
   x = 1,141,655,421,758.88/1,554,477.32
6. Step 6: Final answer
   x = 734,430.41