Finding the Fourth Proportional to 2,020,685.65, 2,792,193.82 and 1,438,898.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,020,685.65 : 2,792,193.82 = 1,438,898.72 : x
2. Step 2: Convert to fraction form
   2,020,685.65/2,792,193.82 = 1,438,898.72/x
3. Step 3: Cross multiply
   2,020,685.65x = 2,792,193.82 × 1,438,898.72
4. Step 4: Simplify right side
   2,020,685.65x = 4,017,684,116,973.15
5. Step 5: Solve for x
   x = 4,017,684,116,973.15/2,020,685.65
6. Step 6: Final answer
   x = 1,988,277.65