Finding the Fourth Proportional to 111,872.90, 167,901.15 and 110,998.10

Step by Step Solution

1. Step 1: Write the proportion equation
   111,872.90 : 167,901.15 = 110,998.10 : x
2. Step 2: Convert to fraction form
   111,872.90/167,901.15 = 110,998.10/x
3. Step 3: Cross multiply
   111,872.90x = 167,901.15 × 110,998.10
4. Step 4: Simplify right side
   111,872.90x = 18,636,708,637.82
5. Step 5: Solve for x
   x = 18,636,708,637.82/111,872.90
6. Step 6: Final answer
   x = 166,588.23