Finding the Fourth Proportional to 1,605,978.72, 2,408,205.52 and 932,266.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,605,978.72 : 2,408,205.52 = 932,266.72 : x
2. Step 2: Convert to fraction form
   1,605,978.72/2,408,205.52 = 932,266.72/x
3. Step 3: Cross multiply
   1,605,978.72x = 2,408,205.52 × 932,266.72
4. Step 4: Simplify right side
   1,605,978.72x = 2,245,089,861,216.29
5. Step 5: Solve for x
   x = 2,245,089,861,216.29/1,605,978.72
6. Step 6: Final answer
   x = 1,397,957.42