Finding the Fourth Proportional to 2,215,419.59, 3,323,155.83 and 617,885.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,215,419.59 : 3,323,155.83 = 617,885.48 : x
2. Step 2: Convert to fraction form
   2,215,419.59/3,323,155.83 = 617,885.48/x
3. Step 3: Cross multiply
   2,215,419.59x = 3,323,155.83 × 617,885.48
4. Step 4: Simplify right side
   2,215,419.59x = 2,053,329,718,518.57
5. Step 5: Solve for x
   x = 2,053,329,718,518.57/2,215,419.59
6. Step 6: Final answer
   x = 926,835.59