Finding the Fourth Proportional to 2,298,215, 3,447,980.22 and 782,231.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,298,215 : 3,447,980.22 = 782,231.96 : x
2. Step 2: Convert to fraction form
   2,298,215/3,447,980.22 = 782,231.96/x
3. Step 3: Cross multiply
   2,298,215x = 3,447,980.22 × 782,231.96
4. Step 4: Simplify right side
   2,298,215x = 2,697,120,325,531.83
5. Step 5: Solve for x
   x = 2,697,120,325,531.83/2,298,215
6. Step 6: Final answer
   x = 1,173,571.80