Finding the Fourth Proportional to 99,057.69, 148,630.41 and 40,008.69

Step by Step Solution

1. Step 1: Write the proportion equation
   99,057.69 : 148,630.41 = 40,008.69 : x
2. Step 2: Convert to fraction form
   99,057.69/148,630.41 = 40,008.69/x
3. Step 3: Cross multiply
   99,057.69x = 148,630.41 × 40,008.69
4. Step 4: Simplify right side
   99,057.69x = 5,946,507,998.26
5. Step 5: Solve for x
   x = 5,946,507,998.26/99,057.69
6. Step 6: Final answer
   x = 60,030.76