Finding the Fourth Proportional to 2,190,100.74, 3,285,151.47 and 824,131.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,190,100.74 : 3,285,151.47 = 824,131.59 : x
2. Step 2: Convert to fraction form
   2,190,100.74/3,285,151.47 = 824,131.59/x
3. Step 3: Cross multiply
   2,190,100.74x = 3,285,151.47 × 824,131.59
4. Step 4: Simplify right side
   2,190,100.74x = 2,707,397,104,361.94
5. Step 5: Solve for x
   x = 2,707,397,104,361.94/2,190,100.74
6. Step 6: Final answer
   x = 1,236,197.52