Finding the Fourth Proportional to 111,465.94, 153,746.82 and 71,161.54

Step by Step Solution

1. Step 1: Write the proportion equation
   111,465.94 : 153,746.82 = 71,161.54 : x
2. Step 2: Convert to fraction form
   111,465.94/153,746.82 = 71,161.54/x
3. Step 3: Cross multiply
   111,465.94x = 153,746.82 × 71,161.54
4. Step 4: Simplify right side
   111,465.94x = 10,940,860,382.91
5. Step 5: Solve for x
   x = 10,940,860,382.91/111,465.94
6. Step 6: Final answer
   x = 98,154.29