Finding the Fourth Proportional to 111,865.45, 167,859.69 and 52,699.61

Step by Step Solution

1. Step 1: Write the proportion equation
   111,865.45 : 167,859.69 = 52,699.61 : x
2. Step 2: Convert to fraction form
   111,865.45/167,859.69 = 52,699.61/x
3. Step 3: Cross multiply
   111,865.45x = 167,859.69 × 52,699.61
4. Step 4: Simplify right side
   111,865.45x = 8,846,139,094.92
5. Step 5: Solve for x
   x = 8,846,139,094.92/111,865.45
6. Step 6: Final answer
   x = 79,078.38