Finding the Fourth Proportional to 372,681.27, 558,725.72 and 162,171.59

Step by Step Solution

1. Step 1: Write the proportion equation
   372,681.27 : 558,725.72 = 162,171.59 : x
2. Step 2: Convert to fraction form
   372,681.27/558,725.72 = 162,171.59/x
3. Step 3: Cross multiply
   372,681.27x = 558,725.72 × 162,171.59
4. Step 4: Simplify right side
   372,681.27x = 90,609,434,781.81
5. Step 5: Solve for x
   x = 90,609,434,781.81/372,681.27
6. Step 6: Final answer
   x = 243,128.49