Finding the Fourth Proportional to 111,456.07, 167,055.33 and 51,358.91

Step by Step Solution

1. Step 1: Write the proportion equation
   111,456.07 : 167,055.33 = 51,358.91 : x
2. Step 2: Convert to fraction form
   111,456.07/167,055.33 = 51,358.91/x
3. Step 3: Cross multiply
   111,456.07x = 167,055.33 × 51,358.91
4. Step 4: Simplify right side
   111,456.07x = 8,579,779,401.70
5. Step 5: Solve for x
   x = 8,579,779,401.70/111,456.07
6. Step 6: Final answer
   x = 76,979.02