Finding the Fourth Proportional to 111,173.04, 166,740.65 and 31,192.63

Step by Step Solution

1. Step 1: Write the proportion equation
   111,173.04 : 166,740.65 = 31,192.63 : x
2. Step 2: Convert to fraction form
   111,173.04/166,740.65 = 31,192.63/x
3. Step 3: Cross multiply
   111,173.04x = 166,740.65 × 31,192.63
4. Step 4: Simplify right side
   111,173.04x = 5,201,078,828.59
5. Step 5: Solve for x
   x = 5,201,078,828.59/111,173.04
6. Step 6: Final answer
   x = 46,783.63