Finding the Fourth Proportional to 162,672.35, 224,485.52 and 90,068.31

Step by Step Solution

1. Step 1: Write the proportion equation
   162,672.35 : 224,485.52 = 90,068.31 : x
2. Step 2: Convert to fraction form
   162,672.35/224,485.52 = 90,068.31/x
3. Step 3: Cross multiply
   162,672.35x = 224,485.52 × 90,068.31
4. Step 4: Simplify right side
   162,672.35x = 20,219,030,955.53
5. Step 5: Solve for x
   x = 20,219,030,955.53/162,672.35
6. Step 6: Final answer
   x = 124,292.98