Finding the Fourth Proportional to 140,016.91, 193,166.88 and 81,041.58

Step by Step Solution

1. Step 1: Write the proportion equation
   140,016.91 : 193,166.88 = 81,041.58 : x
2. Step 2: Convert to fraction form
   140,016.91/193,166.88 = 81,041.58/x
3. Step 3: Cross multiply
   140,016.91x = 193,166.88 × 81,041.58
4. Step 4: Simplify right side
   140,016.91x = 15,654,547,787.83
5. Step 5: Solve for x
   x = 15,654,547,787.83/140,016.91
6. Step 6: Final answer
   x = 111,804.70