Finding the Fourth Proportional to 2,866,511.34, 4,300,389.09 and 871,915.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,866,511.34 : 4,300,389.09 = 871,915.50 : x
2. Step 2: Convert to fraction form
   2,866,511.34/4,300,389.09 = 871,915.50/x
3. Step 3: Cross multiply
   2,866,511.34x = 4,300,389.09 × 871,915.50
4. Step 4: Simplify right side
   2,866,511.34x = 3,749,575,903,601.90
5. Step 5: Solve for x
   x = 3,749,575,903,601.90/2,866,511.34
6. Step 6: Final answer
   x = 1,308,062.47