Finding the Fourth Proportional to 2,490,342.27, 3,735,906.45 and 871,563.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,490,342.27 : 3,735,906.45 = 871,563.15 : x
2. Step 2: Convert to fraction form
   2,490,342.27/3,735,906.45 = 871,563.15/x
3. Step 3: Cross multiply
   2,490,342.27x = 3,735,906.45 × 871,563.15
4. Step 4: Simplify right side
   2,490,342.27x = 3,256,078,393,667.32
5. Step 5: Solve for x
   x = 3,256,078,393,667.32/2,490,342.27
6. Step 6: Final answer
   x = 1,307,482.28