Finding the Fourth Proportional to 190,142.82, 262,397.43 and 122,160.18

Step by Step Solution

1. Step 1: Write the proportion equation
   190,142.82 : 262,397.43 = 122,160.18 : x
2. Step 2: Convert to fraction form
   190,142.82/262,397.43 = 122,160.18/x
3. Step 3: Cross multiply
   190,142.82x = 262,397.43 × 122,160.18
4. Step 4: Simplify right side
   190,142.82x = 32,054,517,280.34
5. Step 5: Solve for x
   x = 32,054,517,280.34/190,142.82
6. Step 6: Final answer
   x = 168,581.27