Finding the Fourth Proportional to 1,550,749.86, 2,140,036.07 and 862,406.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,550,749.86 : 2,140,036.07 = 862,406.73 : x
2. Step 2: Convert to fraction form
   1,550,749.86/2,140,036.07 = 862,406.73/x
3. Step 3: Cross multiply
   1,550,749.86x = 2,140,036.07 × 862,406.73
4. Step 4: Simplify right side
   1,550,749.86x = 1,845,581,504,898.72
5. Step 5: Solve for x
   x = 1,845,581,504,898.72/1,550,749.86
6. Step 6: Final answer
   x = 1,190,121.99