Finding the Fourth Proportional to 2,865,109.42, 4,296,185.17 and 843,090.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,865,109.42 : 4,296,185.17 = 843,090.55 : x
2. Step 2: Convert to fraction form
   2,865,109.42/4,296,185.17 = 843,090.55/x
3. Step 3: Cross multiply
   2,865,109.42x = 4,296,185.17 × 843,090.55
4. Step 4: Simplify right side
   2,865,109.42x = 3,622,073,121,854.11
5. Step 5: Solve for x
   x = 3,622,073,121,854.11/2,865,109.42
6. Step 6: Final answer
   x = 1,264,200.63