Finding the Fourth Proportional to 2,144,738.80, 2,959,812.12 and 1,227,118.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,144,738.80 : 2,959,812.12 = 1,227,118.96 : x
2. Step 2: Convert to fraction form
   2,144,738.80/2,959,812.12 = 1,227,118.96/x
3. Step 3: Cross multiply
   2,144,738.80x = 2,959,812.12 × 1,227,118.96
4. Step 4: Simplify right side
   2,144,738.80x = 3,632,041,570,489.80
5. Step 5: Solve for x
   x = 3,632,041,570,489.80/2,144,738.80
6. Step 6: Final answer
   x = 1,693,465.69