Finding the Fourth Proportional to 98,851.82, 148,215.42 and 83,864.18

Step by Step Solution

1. Step 1: Write the proportion equation
   98,851.82 : 148,215.42 = 83,864.18 : x
2. Step 2: Convert to fraction form
   98,851.82/148,215.42 = 83,864.18/x
3. Step 3: Cross multiply
   98,851.82x = 148,215.42 × 83,864.18
4. Step 4: Simplify right side
   98,851.82x = 12,429,964,661.66
5. Step 5: Solve for x
   x = 12,429,964,661.66/98,851.82
6. Step 6: Final answer
   x = 125,743.41