Finding the Fourth Proportional to 181,016.52, 249,806.79 and 100,441.50

Step by Step Solution

1. Step 1: Write the proportion equation
   181,016.52 : 249,806.79 = 100,441.50 : x
2. Step 2: Convert to fraction form
   181,016.52/249,806.79 = 100,441.50/x
3. Step 3: Cross multiply
   181,016.52x = 249,806.79 × 100,441.50
4. Step 4: Simplify right side
   181,016.52x = 25,090,968,697.79
5. Step 5: Solve for x
   x = 25,090,968,697.79/181,016.52
6. Step 6: Final answer
   x = 138,611.49