Finding the Fourth Proportional to 142,026.33, 196,142.13 and 117,914.61

Step by Step Solution

1. Step 1: Write the proportion equation
   142,026.33 : 196,142.13 = 117,914.61 : x
2. Step 2: Convert to fraction form
   142,026.33/196,142.13 = 117,914.61/x
3. Step 3: Cross multiply
   142,026.33x = 196,142.13 × 117,914.61
4. Step 4: Simplify right side
   142,026.33x = 23,128,022,763.52
5. Step 5: Solve for x
   x = 23,128,022,763.52/142,026.33
6. Step 6: Final answer
   x = 162,843.20