Finding the Fourth Proportional to 162,164.55, 223,784.71 and 90,545.56

Step by Step Solution

1. Step 1: Write the proportion equation
   162,164.55 : 223,784.71 = 90,545.56 : x
2. Step 2: Convert to fraction form
   162,164.55/223,784.71 = 90,545.56/x
3. Step 3: Cross multiply
   162,164.55x = 223,784.71 × 90,545.56
4. Step 4: Simplify right side
   162,164.55x = 20,262,711,886.39
5. Step 5: Solve for x
   x = 20,262,711,886.39/162,164.55
6. Step 6: Final answer
   x = 124,951.55