Finding the Fourth Proportional to 111,426.78, 167,168.98 and 65,251.45

Step by Step Solution

1. Step 1: Write the proportion equation
   111,426.78 : 167,168.98 = 65,251.45 : x
2. Step 2: Convert to fraction form
   111,426.78/167,168.98 = 65,251.45/x
3. Step 3: Cross multiply
   111,426.78x = 167,168.98 × 65,251.45
4. Step 4: Simplify right side
   111,426.78x = 10,908,017,647.30
5. Step 5: Solve for x
   x = 10,908,017,647.30/111,426.78
6. Step 6: Final answer
   x = 97,894.04