Finding the Fourth Proportional to 108,896.69, 150,273.54 and 61,152.05

Step by Step Solution

1. Step 1: Write the proportion equation
   108,896.69 : 150,273.54 = 61,152.05 : x
2. Step 2: Convert to fraction form
   108,896.69/150,273.54 = 61,152.05/x
3. Step 3: Cross multiply
   108,896.69x = 150,273.54 × 61,152.05
4. Step 4: Simplify right side
   108,896.69x = 9,189,534,280.39
5. Step 5: Solve for x
   x = 9,189,534,280.39/108,896.69
6. Step 6: Final answer
   x = 84,387.64