Finding the Fourth Proportional to 142,031.71, 196,074.74 and 88,334.04

Step by Step Solution

1. Step 1: Write the proportion equation
   142,031.71 : 196,074.74 = 88,334.04 : x
2. Step 2: Convert to fraction form
   142,031.71/196,074.74 = 88,334.04/x
3. Step 3: Cross multiply
   142,031.71x = 196,074.74 × 88,334.04
4. Step 4: Simplify right side
   142,031.71x = 17,320,074,882.27
5. Step 5: Solve for x
   x = 17,320,074,882.27/142,031.71
6. Step 6: Final answer
   x = 121,945.13