Finding the Fourth Proportional to 2,145,016.29, 3,217,521.56 and 547,579.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,145,016.29 : 3,217,521.56 = 547,579.29 : x
2. Step 2: Convert to fraction form
   2,145,016.29/3,217,521.56 = 547,579.29/x
3. Step 3: Cross multiply
   2,145,016.29x = 3,217,521.56 × 547,579.29
4. Step 4: Simplify right side
   2,145,016.29x = 1,761,848,168,646.60
5. Step 5: Solve for x
   x = 1,761,848,168,646.60/2,145,016.29
6. Step 6: Final answer
   x = 821,368.20