Finding the Fourth Proportional to 111,340.60, 166,978.24 and 31,373.26

Step by Step Solution

1. Step 1: Write the proportion equation
   111,340.60 : 166,978.24 = 31,373.26 : x
2. Step 2: Convert to fraction form
   111,340.60/166,978.24 = 31,373.26/x
3. Step 3: Cross multiply
   111,340.60x = 166,978.24 × 31,373.26
4. Step 4: Simplify right side
   111,340.60x = 5,238,651,241.98
5. Step 5: Solve for x
   x = 5,238,651,241.98/111,340.60
6. Step 6: Final answer
   x = 47,050.68