Finding the Fourth Proportional to 89,200.30, 133,606.05 and 73,648.30

Step by Step Solution

1. Step 1: Write the proportion equation
   89,200.30 : 133,606.05 = 73,648.30 : x
2. Step 2: Convert to fraction form
   89,200.30/133,606.05 = 73,648.30/x
3. Step 3: Cross multiply
   89,200.30x = 133,606.05 × 73,648.30
4. Step 4: Simplify right side
   89,200.30x = 9,839,858,452.22
5. Step 5: Solve for x
   x = 9,839,858,452.22/89,200.30
6. Step 6: Final answer
   x = 110,311.94