Finding the Fourth Proportional to 2,155,119.32, 3,231,742.02 and 617,776.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,155,119.32 : 3,231,742.02 = 617,776.16 : x
2. Step 2: Convert to fraction form
   2,155,119.32/3,231,742.02 = 617,776.16/x
3. Step 3: Cross multiply
   2,155,119.32x = 3,231,742.02 × 617,776.16
4. Step 4: Simplify right side
   2,155,119.32x = 1,996,493,159,067.53
5. Step 5: Solve for x
   x = 1,996,493,159,067.53/2,155,119.32
6. Step 6: Final answer
   x = 926,395.65