Finding the Fourth Proportional to 111,498.80, 166,975.50 and 100,703.84

Step by Step Solution

1. Step 1: Write the proportion equation
   111,498.80 : 166,975.50 = 100,703.84 : x
2. Step 2: Convert to fraction form
   111,498.80/166,975.50 = 100,703.84/x
3. Step 3: Cross multiply
   111,498.80x = 166,975.50 × 100,703.84
4. Step 4: Simplify right side
   111,498.80x = 16,815,074,035.92
5. Step 5: Solve for x
   x = 16,815,074,035.92/111,498.80
6. Step 6: Final answer
   x = 150,809.46