Finding the Fourth Proportional to 142,460.00, 196,633.66 and 88,713.26

Step by Step Solution

1. Step 1: Write the proportion equation
   142,460.00 : 196,633.66 = 88,713.26 : x
2. Step 2: Convert to fraction form
   142,460.00/196,633.66 = 88,713.26/x
3. Step 3: Cross multiply
   142,460.00x = 196,633.66 × 88,713.26
4. Step 4: Simplify right side
   142,460.00x = 17,444,012,021.16
5. Step 5: Solve for x
   x = 17,444,012,021.16/142,460.00
6. Step 6: Final answer
   x = 122,448.50