Finding the Fourth Proportional to 104,885.16, 144,691.89 and 70,905.54

Step by Step Solution

1. Step 1: Write the proportion equation
   104,885.16 : 144,691.89 = 70,905.54 : x
2. Step 2: Convert to fraction form
   104,885.16/144,691.89 = 70,905.54/x
3. Step 3: Cross multiply
   104,885.16x = 144,691.89 × 70,905.54
4. Step 4: Simplify right side
   104,885.16x = 10,259,456,594.07
5. Step 5: Solve for x
   x = 10,259,456,594.07/104,885.16
6. Step 6: Final answer
   x = 97,816.09