Finding the Fourth Proportional to 162,141.32, 223,745.62 and 90,525.84

Step by Step Solution

1. Step 1: Write the proportion equation
   162,141.32 : 223,745.62 = 90,525.84 : x
2. Step 2: Convert to fraction form
   162,141.32/223,745.62 = 90,525.84/x
3. Step 3: Cross multiply
   162,141.32x = 223,745.62 × 90,525.84
4. Step 4: Simplify right side
   162,141.32x = 20,254,760,196.82
5. Step 5: Solve for x
   x = 20,254,760,196.82/162,141.32
6. Step 6: Final answer
   x = 124,920.41