Finding the Fourth Proportional to 1,446,903.72, 2,170,807.29 and 871,158.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,446,903.72 : 2,170,807.29 = 871,158.12 : x
2. Step 2: Convert to fraction form
   1,446,903.72/2,170,807.29 = 871,158.12/x
3. Step 3: Cross multiply
   1,446,903.72x = 2,170,807.29 × 871,158.12
4. Step 4: Simplify right side
   1,446,903.72x = 1,891,116,397,638.69
5. Step 5: Solve for x
   x = 1,891,116,397,638.69/1,446,903.72
6. Step 6: Final answer
   x = 1,307,009.15