Finding the Fourth Proportional to 111,618.30, 167,484.42 and 74,203.86

Step by Step Solution

1. Step 1: Write the proportion equation
   111,618.30 : 167,484.42 = 74,203.86 : x
2. Step 2: Convert to fraction form
   111,618.30/167,484.42 = 74,203.86/x
3. Step 3: Cross multiply
   111,618.30x = 167,484.42 × 74,203.86
4. Step 4: Simplify right side
   111,618.30x = 12,427,990,453.86
5. Step 5: Solve for x
   x = 12,427,990,453.86/111,618.30
6. Step 6: Final answer
   x = 111,343.66