Finding the Fourth Proportional to 111,805.10, 167,902.05 and 59,317.10

Step by Step Solution

1. Step 1: Write the proportion equation
   111,805.10 : 167,902.05 = 59,317.10 : x
2. Step 2: Convert to fraction form
   111,805.10/167,902.05 = 59,317.10/x
3. Step 3: Cross multiply
   111,805.10x = 167,902.05 × 59,317.10
4. Step 4: Simplify right side
   111,805.10x = 9,959,462,690.06
5. Step 5: Solve for x
   x = 9,959,462,690.06/111,805.10
6. Step 6: Final answer
   x = 89,078.79