Finding the Fourth Proportional to 542,671.40, 748,789.98 and 327,667.52

Step by Step Solution

1. Step 1: Write the proportion equation
   542,671.40 : 748,789.98 = 327,667.52 : x
2. Step 2: Convert to fraction form
   542,671.40/748,789.98 = 327,667.52/x
3. Step 3: Cross multiply
   542,671.40x = 748,789.98 × 327,667.52
4. Step 4: Simplify right side
   542,671.40x = 245,354,155,747.45
5. Step 5: Solve for x
   x = 245,354,155,747.45/542,671.40
6. Step 6: Final answer
   x = 452,122.88