Finding the Fourth Proportional to 142,039.23, 196,085.10 and 88,341.56

Step by Step Solution

1. Step 1: Write the proportion equation
   142,039.23 : 196,085.10 = 88,341.56 : x
2. Step 2: Convert to fraction form
   142,039.23/196,085.10 = 88,341.56/x
3. Step 3: Cross multiply
   142,039.23x = 196,085.10 × 88,341.56
4. Step 4: Simplify right side
   142,039.23x = 17,322,462,646.33
5. Step 5: Solve for x
   x = 17,322,462,646.33/142,039.23
6. Step 6: Final answer
   x = 121,955.48