Finding the Fourth Proportional to 2,291,402.79, 3,162,185.87 and 1,258,923.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,291,402.79 : 3,162,185.87 = 1,258,923.87 : x
2. Step 2: Convert to fraction form
   2,291,402.79/3,162,185.87 = 1,258,923.87/x
3. Step 3: Cross multiply
   2,291,402.79x = 3,162,185.87 × 1,258,923.87
4. Step 4: Simplify right side
   2,291,402.79x = 3,980,951,266,825.10
5. Step 5: Solve for x
   x = 3,980,951,266,825.10/2,291,402.79
6. Step 6: Final answer
   x = 1,737,342.42