Finding the Fourth Proportional to 2,133,530.21, 3,200,298.56 and 871,357.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,133,530.21 : 3,200,298.56 = 871,357.84 : x
2. Step 2: Convert to fraction form
   2,133,530.21/3,200,298.56 = 871,357.84/x
3. Step 3: Cross multiply
   2,133,530.21x = 3,200,298.56 × 871,357.84
4. Step 4: Simplify right side
   2,133,530.21x = 2,788,605,231,506.77
5. Step 5: Solve for x
   x = 2,788,605,231,506.77/2,133,530.21
6. Step 6: Final answer
   x = 1,307,038.08