Finding the Fourth Proportional to 2,866,506.84, 4,300,382.34 and 871,911

Step by Step Solution

1. Step 1: Write the proportion equation
   2,866,506.84 : 4,300,382.34 = 871,911 : x
2. Step 2: Convert to fraction form
   2,866,506.84/4,300,382.34 = 871,911/x
3. Step 3: Cross multiply
   2,866,506.84x = 4,300,382.34 × 871,911
4. Step 4: Simplify right side
   2,866,506.84x = 3,749,550,666,451.74
5. Step 5: Solve for x
   x = 3,749,550,666,451.74/2,866,506.84
6. Step 6: Final answer
   x = 1,308,055.72