Finding the Fourth Proportional to 1,764,981.78, 2,434,340.37 and 1,222,026.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,764,981.78 : 2,434,340.37 = 1,222,026.42 : x
2. Step 2: Convert to fraction form
   1,764,981.78/2,434,340.37 = 1,222,026.42/x
3. Step 3: Cross multiply
   1,764,981.78x = 2,434,340.37 × 1,222,026.42
4. Step 4: Simplify right side
   1,764,981.78x = 2,974,828,247,412.58
5. Step 5: Solve for x
   x = 2,974,828,247,412.58/1,764,981.78
6. Step 6: Final answer
   x = 1,685,472.50