Finding the Fourth Proportional to 1,646,742.89, 2,272,456.27 and 911,729.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,646,742.89 : 2,272,456.27 = 911,729.86 : x
2. Step 2: Convert to fraction form
   1,646,742.89/2,272,456.27 = 911,729.86/x
3. Step 3: Cross multiply
   1,646,742.89x = 2,272,456.27 × 911,729.86
4. Step 4: Simplify right side
   1,646,742.89x = 2,071,866,236,903.22
5. Step 5: Solve for x
   x = 2,071,866,236,903.22/1,646,742.89
6. Step 6: Final answer
   x = 1,258,160.12