Finding the Fourth Proportional to 111,947.30, 168,050.55 and 67,624.10

Step by Step Solution

1. Step 1: Write the proportion equation
   111,947.30 : 168,050.55 = 67,624.10 : x
2. Step 2: Convert to fraction form
   111,947.30/168,050.55 = 67,624.10/x
3. Step 3: Cross multiply
   111,947.30x = 168,050.55 × 67,624.10
4. Step 4: Simplify right side
   111,947.30x = 11,364,267,198.26
5. Step 5: Solve for x
   x = 11,364,267,198.26/111,947.30
6. Step 6: Final answer
   x = 101,514.44