Finding the Fourth Proportional to 109,231.12, 150,763.53 and 71,483.50

Step by Step Solution

1. Step 1: Write the proportion equation
   109,231.12 : 150,763.53 = 71,483.50 : x
2. Step 2: Convert to fraction form
   109,231.12/150,763.53 = 71,483.50/x
3. Step 3: Cross multiply
   109,231.12x = 150,763.53 × 71,483.50
4. Step 4: Simplify right side
   109,231.12x = 10,777,104,796.76
5. Step 5: Solve for x
   x = 10,777,104,796.76/109,231.12
6. Step 6: Final answer
   x = 98,663.32