Finding the Fourth Proportional to 155,022.18, 213,995.61 and 104,789.22

Step by Step Solution

1. Step 1: Write the proportion equation
   155,022.18 : 213,995.61 = 104,789.22 : x
2. Step 2: Convert to fraction form
   155,022.18/213,995.61 = 104,789.22/x
3. Step 3: Cross multiply
   155,022.18x = 213,995.61 × 104,789.22
4. Step 4: Simplify right side
   155,022.18x = 22,424,433,055.32
5. Step 5: Solve for x
   x = 22,424,433,055.32/155,022.18
6. Step 6: Final answer
   x = 144,653.06