Finding the Fourth Proportional to 109,230.12, 150,762.15 and 71,482.50

Step by Step Solution

1. Step 1: Write the proportion equation
   109,230.12 : 150,762.15 = 71,482.50 : x
2. Step 2: Convert to fraction form
   109,230.12/150,762.15 = 71,482.50/x
3. Step 3: Cross multiply
   109,230.12x = 150,762.15 × 71,482.50
4. Step 4: Simplify right side
   109,230.12x = 10,776,855,387.38
5. Step 5: Solve for x
   x = 10,776,855,387.38/109,230.12
6. Step 6: Final answer
   x = 98,661.94