Finding the Fourth Proportional to 142,386.03, 196,501.14 and 81,955.17

Step by Step Solution

1. Step 1: Write the proportion equation
   142,386.03 : 196,501.14 = 81,955.17 : x
2. Step 2: Convert to fraction form
   142,386.03/196,501.14 = 81,955.17/x
3. Step 3: Cross multiply
   142,386.03x = 196,501.14 × 81,955.17
4. Step 4: Simplify right side
   142,386.03x = 16,104,284,333.89
5. Step 5: Solve for x
   x = 16,104,284,333.89/142,386.03
6. Step 6: Final answer
   x = 113,102.98