Finding the Fourth Proportional to 372,304.72, 558,544.56 and 162,002.80

Step by Step Solution

1. Step 1: Write the proportion equation
   372,304.72 : 558,544.56 = 162,002.80 : x
2. Step 2: Convert to fraction form
   372,304.72/558,544.56 = 162,002.80/x
3. Step 3: Cross multiply
   372,304.72x = 558,544.56 × 162,002.80
4. Step 4: Simplify right side
   372,304.72x = 90,485,782,644.77
5. Step 5: Solve for x
   x = 90,485,782,644.77/372,304.72
6. Step 6: Final answer
   x = 243,042.27