Finding the Fourth Proportional to 2,214,238.55, 3,321,357.83 and 2,172,248.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,214,238.55 : 3,321,357.83 = 2,172,248.15 : x
2. Step 2: Convert to fraction form
   2,214,238.55/3,321,357.83 = 2,172,248.15/x
3. Step 3: Cross multiply
   2,214,238.55x = 3,321,357.83 × 2,172,248.15
4. Step 4: Simplify right side
   2,214,238.55x = 7,214,813,390,844.27
5. Step 5: Solve for x
   x = 7,214,813,390,844.27/2,214,238.55
6. Step 6: Final answer
   x = 3,258,372.23