Finding the Fourth Proportional to 2,380,831.89, 3,285,557.39 and 1,293,121.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,380,831.89 : 3,285,557.39 = 1,293,121.61 : x
2. Step 2: Convert to fraction form
   2,380,831.89/3,285,557.39 = 1,293,121.61/x
3. Step 3: Cross multiply
   2,380,831.89x = 3,285,557.39 × 1,293,121.61
4. Step 4: Simplify right side
   2,380,831.89x = 4,248,625,272,237.51
5. Step 5: Solve for x
   x = 4,248,625,272,237.51/2,380,831.89
6. Step 6: Final answer
   x = 1,784,512.92