Finding the Fourth Proportional to 111,320.76, 166,998.42 and 37,443

Step by Step Solution

1. Step 1: Write the proportion equation
   111,320.76 : 166,998.42 = 37,443 : x
2. Step 2: Convert to fraction form
   111,320.76/166,998.42 = 37,443/x
3. Step 3: Cross multiply
   111,320.76x = 166,998.42 × 37,443
4. Step 4: Simplify right side
   111,320.76x = 6,252,921,840.06
5. Step 5: Solve for x
   x = 6,252,921,840.06/111,320.76
6. Step 6: Final answer
   x = 56,170.31