Finding the Fourth Proportional to 142,449.98, 196,602.29 and 88,752.31

Step by Step Solution

1. Step 1: Write the proportion equation
   142,449.98 : 196,602.29 = 88,752.31 : x
2. Step 2: Convert to fraction form
   142,449.98/196,602.29 = 88,752.31/x
3. Step 3: Cross multiply
   142,449.98x = 196,602.29 × 88,752.31
4. Step 4: Simplify right side
   142,449.98x = 17,448,906,786.34
5. Step 5: Solve for x
   x = 17,448,906,786.34/142,449.98
6. Step 6: Final answer
   x = 122,491.47