Finding the Fourth Proportional to 162,029.18, 223,611.06 and 90,410.72

Step by Step Solution

1. Step 1: Write the proportion equation
   162,029.18 : 223,611.06 = 90,410.72 : x
2. Step 2: Convert to fraction form
   162,029.18/223,611.06 = 90,410.72/x
3. Step 3: Cross multiply
   162,029.18x = 223,611.06 × 90,410.72
4. Step 4: Simplify right side
   162,029.18x = 20,216,836,934.56
5. Step 5: Solve for x
   x = 20,216,836,934.56/162,029.18
6. Step 6: Final answer
   x = 124,772.82