Finding the Fourth Proportional to 142,002.95, 195,973.58 and 81,593.15

Step by Step Solution

1. Step 1: Write the proportion equation
   142,002.95 : 195,973.58 = 81,593.15 : x
2. Step 2: Convert to fraction form
   142,002.95/195,973.58 = 81,593.15/x
3. Step 3: Cross multiply
   142,002.95x = 195,973.58 × 81,593.15
4. Step 4: Simplify right side
   142,002.95x = 15,990,101,708.98
5. Step 5: Solve for x
   x = 15,990,101,708.98/142,002.95
6. Step 6: Final answer
   x = 112,604.01