Finding the Fourth Proportional to 2,133,429.08, 3,200,146.76 and 871,256.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,133,429.08 : 3,200,146.76 = 871,256.76 : x
2. Step 2: Convert to fraction form
   2,133,429.08/3,200,146.76 = 871,256.76/x
3. Step 3: Cross multiply
   2,133,429.08x = 3,200,146.76 × 871,256.76
4. Step 4: Simplify right side
   2,133,429.08x = 2,788,149,497,642.10
5. Step 5: Solve for x
   x = 2,788,149,497,642.10/2,133,429.08
6. Step 6: Final answer
   x = 1,306,886.42