Finding the Fourth Proportional to 111,532.56, 167,356.20 and 74,118.36

Step by Step Solution

1. Step 1: Write the proportion equation
   111,532.56 : 167,356.20 = 74,118.36 : x
2. Step 2: Convert to fraction form
   111,532.56/167,356.20 = 74,118.36/x
3. Step 3: Cross multiply
   111,532.56x = 167,356.20 × 74,118.36
4. Step 4: Simplify right side
   111,532.56x = 12,404,167,079.83
5. Step 5: Solve for x
   x = 12,404,167,079.83/111,532.56
6. Step 6: Final answer
   x = 111,215.66