Finding the Fourth Proportional to 162,386.50, 224,077.98 and 90,764.88

Step by Step Solution

1. Step 1: Write the proportion equation
   162,386.50 : 224,077.98 = 90,764.88 : x
2. Step 2: Convert to fraction form
   162,386.50/224,077.98 = 90,764.88/x
3. Step 3: Cross multiply
   162,386.50x = 224,077.98 × 90,764.88
4. Step 4: Simplify right side
   162,386.50x = 20,338,410,965.34
5. Step 5: Solve for x
   x = 20,338,410,965.34/162,386.50
6. Step 6: Final answer
   x = 125,246.93