Finding the Fourth Proportional to 111,887.20, 167,859.72 and 41,767.12

Step by Step Solution

1. Step 1: Write the proportion equation
   111,887.20 : 167,859.72 = 41,767.12 : x
2. Step 2: Convert to fraction form
   111,887.20/167,859.72 = 41,767.12/x
3. Step 3: Cross multiply
   111,887.20x = 167,859.72 × 41,767.12
4. Step 4: Simplify right side
   111,887.20x = 7,011,017,068.41
5. Step 5: Solve for x
   x = 7,011,017,068.41/111,887.20
6. Step 6: Final answer
   x = 62,661.48