Finding the Fourth Proportional to 111,929.04, 167,074.65 and 98,643.42

Step by Step Solution

1. Step 1: Write the proportion equation
   111,929.04 : 167,074.65 = 98,643.42 : x
2. Step 2: Convert to fraction form
   111,929.04/167,074.65 = 98,643.42/x
3. Step 3: Cross multiply
   111,929.04x = 167,074.65 × 98,643.42
4. Step 4: Simplify right side
   111,929.04x = 16,480,814,871.30
5. Step 5: Solve for x
   x = 16,480,814,871.30/111,929.04
6. Step 6: Final answer
   x = 147,243.42