Finding the Fourth Proportional to 2,872,667.38, 3,964,082.82 and 1,615,542.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,872,667.38 : 3,964,082.82 = 1,615,542.72 : x
2. Step 2: Convert to fraction form
   2,872,667.38/3,964,082.82 = 1,615,542.72/x
3. Step 3: Cross multiply
   2,872,667.38x = 3,964,082.82 × 1,615,542.72
4. Step 4: Simplify right side
   2,872,667.38x = 6,404,145,141,328.07
5. Step 5: Solve for x
   x = 6,404,145,141,328.07/2,872,667.38
6. Step 6: Final answer
   x = 2,229,337.51