Finding the Fourth Proportional to 162,380.50, 224,069.69 and 90,758.88

Step by Step Solution

1. Step 1: Write the proportion equation
   162,380.50 : 224,069.69 = 90,758.88 : x
2. Step 2: Convert to fraction form
   162,380.50/224,069.69 = 90,758.88/x
3. Step 3: Cross multiply
   162,380.50x = 224,069.69 × 90,758.88
4. Step 4: Simplify right side
   162,380.50x = 20,336,314,333.24
5. Step 5: Solve for x
   x = 20,336,314,333.24/162,380.50
6. Step 6: Final answer
   x = 125,238.65