Finding the Fourth Proportional to 111,860.76, 167,594.31 and 105,201.35

Step by Step Solution

1. Step 1: Write the proportion equation
   111,860.76 : 167,594.31 = 105,201.35 : x
2. Step 2: Convert to fraction form
   111,860.76/167,594.31 = 105,201.35/x
3. Step 3: Cross multiply
   111,860.76x = 167,594.31 × 105,201.35
4. Step 4: Simplify right side
   111,860.76x = 17,631,146,826.35
5. Step 5: Solve for x
   x = 17,631,146,826.35/111,860.76
6. Step 6: Final answer
   x = 157,616.91