Finding the Fourth Proportional to 111,897.91, 154,414.29 and 60,910.71

Step by Step Solution

1. Step 1: Write the proportion equation
   111,897.91 : 154,414.29 = 60,910.71 : x
2. Step 2: Convert to fraction form
   111,897.91/154,414.29 = 60,910.71/x
3. Step 3: Cross multiply
   111,897.91x = 154,414.29 × 60,910.71
4. Step 4: Simplify right side
   111,897.91x = 9,405,484,038.05
5. Step 5: Solve for x
   x = 9,405,484,038.05/111,897.91
6. Step 6: Final answer
   x = 84,054.15