Finding the Fourth Proportional to 112,085.52, 154,671.72 and 69,643.68

Step by Step Solution

1. Step 1: Write the proportion equation
   112,085.52 : 154,671.72 = 69,643.68 : x
2. Step 2: Convert to fraction form
   112,085.52/154,671.72 = 69,643.68/x
3. Step 3: Cross multiply
   112,085.52x = 154,671.72 × 69,643.68
4. Step 4: Simplify right side
   112,085.52x = 10,771,907,772.73
5. Step 5: Solve for x
   x = 10,771,907,772.73/112,085.52
6. Step 6: Final answer
   x = 96,104.37