Finding the Fourth Proportional to 111,411.88, 167,223.93 and 69,164.10

Step by Step Solution

1. Step 1: Write the proportion equation
   111,411.88 : 167,223.93 = 69,164.10 : x
2. Step 2: Convert to fraction form
   111,411.88/167,223.93 = 69,164.10/x
3. Step 3: Cross multiply
   111,411.88x = 167,223.93 × 69,164.10
4. Step 4: Simplify right side
   111,411.88x = 11,565,892,616.91
5. Step 5: Solve for x
   x = 11,565,892,616.91/111,411.88
6. Step 6: Final answer
   x = 103,812.02