Finding the Fourth Proportional to 140,166.86, 193,455.34 and 83,581.88

Step by Step Solution

1. Step 1: Write the proportion equation
   140,166.86 : 193,455.34 = 83,581.88 : x
2. Step 2: Convert to fraction form
   140,166.86/193,455.34 = 83,581.88/x
3. Step 3: Cross multiply
   140,166.86x = 193,455.34 × 83,581.88
4. Step 4: Simplify right side
   140,166.86x = 16,169,359,837.01
5. Step 5: Solve for x
   x = 16,169,359,837.01/140,166.86
6. Step 6: Final answer
   x = 115,357.94