Finding the Fourth Proportional to 716,811.31, 1,073,443.06 and 416,380.69

Step by Step Solution

1. Step 1: Write the proportion equation
   716,811.31 : 1,073,443.06 = 416,380.69 : x
2. Step 2: Convert to fraction form
   716,811.31/1,073,443.06 = 416,380.69/x
3. Step 3: Cross multiply
   716,811.31x = 1,073,443.06 × 416,380.69
4. Step 4: Simplify right side
   716,811.31x = 446,960,961,998.51
5. Step 5: Solve for x
   x = 446,960,961,998.51/716,811.31
6. Step 6: Final answer
   x = 623,540.61