Finding the Fourth Proportional to 1,073,171.22, 1,480,653.33 and 643,294.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,073,171.22 : 1,480,653.33 = 643,294.50 : x
2. Step 2: Convert to fraction form
   1,073,171.22/1,480,653.33 = 643,294.50/x
3. Step 3: Cross multiply
   1,073,171.22x = 1,480,653.33 × 643,294.50
4. Step 4: Simplify right side
   1,073,171.22x = 952,496,143,595.69
5. Step 5: Solve for x
   x = 952,496,143,595.69/1,073,171.22
6. Step 6: Final answer
   x = 887,552.82