Finding the Fourth Proportional to 99,341.76, 149,012.52 and 40,176.96

Step by Step Solution

1. Step 1: Write the proportion equation
   99,341.76 : 149,012.52 = 40,176.96 : x
2. Step 2: Convert to fraction form
   99,341.76/149,012.52 = 40,176.96/x
3. Step 3: Cross multiply
   99,341.76x = 149,012.52 × 40,176.96
4. Step 4: Simplify right side
   99,341.76x = 5,986,870,055.54
5. Step 5: Solve for x
   x = 5,986,870,055.54/99,341.76
6. Step 6: Final answer
   x = 60,265.39