Finding the Fourth Proportional to 111,889.99, 154,411.54 and 68,894.30

Step by Step Solution

1. Step 1: Write the proportion equation
   111,889.99 : 154,411.54 = 68,894.30 : x
2. Step 2: Convert to fraction form
   111,889.99/154,411.54 = 68,894.30/x
3. Step 3: Cross multiply
   111,889.99x = 154,411.54 × 68,894.30
4. Step 4: Simplify right side
   111,889.99x = 10,638,074,360.40
5. Step 5: Solve for x
   x = 10,638,074,360.40/111,889.99
6. Step 6: Final answer
   x = 95,076.19