Finding the Fourth Proportional to 2,580,841.42, 3,871,268.27 and 783,738.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,580,841.42 : 3,871,268.27 = 783,738.40 : x
2. Step 2: Convert to fraction form
   2,580,841.42/3,871,268.27 = 783,738.40/x
3. Step 3: Cross multiply
   2,580,841.42x = 3,871,268.27 × 783,738.40
4. Step 4: Simplify right side
   2,580,841.42x = 3,034,061,599,900.57
5. Step 5: Solve for x
   x = 3,034,061,599,900.57/2,580,841.42
6. Step 6: Final answer
   x = 1,175,609.46