Finding the Fourth Proportional to 1,615,086.48, 2,228,801.52 and 917,362.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,615,086.48 : 2,228,801.52 = 917,362.56 : x
2. Step 2: Convert to fraction form
   1,615,086.48/2,228,801.52 = 917,362.56/x
3. Step 3: Cross multiply
   1,615,086.48x = 2,228,801.52 × 917,362.56
4. Step 4: Simplify right side
   1,615,086.48x = 2,044,619,068,119.09
5. Step 5: Solve for x
   x = 2,044,619,068,119.09/1,615,086.48
6. Step 6: Final answer
   x = 1,265,950.21