Finding the Fourth Proportional to 2,020,389.48, 2,788,131.78 and 1,114,965

Step by Step Solution

1. Step 1: Write the proportion equation
   2,020,389.48 : 2,788,131.78 = 1,114,965 : x
2. Step 2: Convert to fraction form
   2,020,389.48/2,788,131.78 = 1,114,965/x
3. Step 3: Cross multiply
   2,020,389.48x = 2,788,131.78 × 1,114,965
4. Step 4: Simplify right side
   2,020,389.48x = 3,108,669,350,087.70
5. Step 5: Solve for x
   x = 3,108,669,350,087.70/2,020,389.48
6. Step 6: Final answer
   x = 1,538,648.55