Finding the Fourth Proportional to 1,549,162.40, 2,137,839.89 and 860,831.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,549,162.40 : 2,137,839.89 = 860,831.55 : x
2. Step 2: Convert to fraction form
   1,549,162.40/2,137,839.89 = 860,831.55/x
3. Step 3: Cross multiply
   1,549,162.40x = 2,137,839.89 × 860,831.55
4. Step 4: Simplify right side
   1,549,162.40x = 1,840,320,021,856.37
5. Step 5: Solve for x
   x = 1,840,320,021,856.37/1,549,162.40
6. Step 6: Final answer
   x = 1,187,945.19