Finding the Fourth Proportional to 1,096,667.22, 1,513,392.21 and 613,233.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,096,667.22 : 1,513,392.21 = 613,233.30 : x
2. Step 2: Convert to fraction form
   1,096,667.22/1,513,392.21 = 613,233.30/x
3. Step 3: Cross multiply
   1,096,667.22x = 1,513,392.21 × 613,233.30
4. Step 4: Simplify right side
   1,096,667.22x = 928,062,499,132.59
5. Step 5: Solve for x
   x = 928,062,499,132.59/1,096,667.22
6. Step 6: Final answer
   x = 846,257.17