Finding the Fourth Proportional to 1,663,498.10, 2,493,510.50 and 1,206,986.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,663,498.10 : 2,493,510.50 = 1,206,986.42 : x
2. Step 2: Convert to fraction form
   1,663,498.10/2,493,510.50 = 1,206,986.42/x
3. Step 3: Cross multiply
   1,663,498.10x = 2,493,510.50 × 1,206,986.42
4. Step 4: Simplify right side
   1,663,498.10x = 3,009,633,311,627.41
5. Step 5: Solve for x
   x = 3,009,633,311,627.41/1,663,498.10
6. Step 6: Final answer
   x = 1,809,219.57