Finding the Fourth Proportional to 162,204.59, 223,809.86 and 90,573.59

Step by Step Solution

1. Step 1: Write the proportion equation
   162,204.59 : 223,809.86 = 90,573.59 : x
2. Step 2: Convert to fraction form
   162,204.59/223,809.86 = 90,573.59/x
3. Step 3: Cross multiply
   162,204.59x = 223,809.86 × 90,573.59
4. Step 4: Simplify right side
   162,204.59x = 20,271,261,604.98
5. Step 5: Solve for x
   x = 20,271,261,604.98/162,204.59
6. Step 6: Final answer
   x = 124,973.42