Finding the Fourth Proportional to 101,581.98, 140,185.10 and 60,788.06

Step by Step Solution

1. Step 1: Write the proportion equation
   101,581.98 : 140,185.10 = 60,788.06 : x
2. Step 2: Convert to fraction form
   101,581.98/140,185.10 = 60,788.06/x
3. Step 3: Cross multiply
   101,581.98x = 140,185.10 × 60,788.06
4. Step 4: Simplify right side
   101,581.98x = 8,521,579,265.04
5. Step 5: Solve for x
   x = 8,521,579,265.04/101,581.98
6. Step 6: Final answer
   x = 83,888.69