Finding the Fourth Proportional to 67,166.42, 100,693.73 and 31,610.05

Step by Step Solution

1. Step 1: Write the proportion equation
   67,166.42 : 100,693.73 = 31,610.05 : x
2. Step 2: Convert to fraction form
   67,166.42/100,693.73 = 31,610.05/x
3. Step 3: Cross multiply
   67,166.42x = 100,693.73 × 31,610.05
4. Step 4: Simplify right side
   67,166.42x = 3,182,933,667.28
5. Step 5: Solve for x
   x = 3,182,933,667.28/67,166.42
6. Step 6: Final answer
   x = 47,388.77