Finding the Fourth Proportional to 123,113.63, 169,886.60 and 69,411.85

Step by Step Solution

1. Step 1: Write the proportion equation
   123,113.63 : 169,886.60 = 69,411.85 : x
2. Step 2: Convert to fraction form
   123,113.63/169,886.60 = 69,411.85/x
3. Step 3: Cross multiply
   123,113.63x = 169,886.60 × 69,411.85
4. Step 4: Simplify right side
   123,113.63x = 11,792,143,196.21
5. Step 5: Solve for x
   x = 11,792,143,196.21/123,113.63
6. Step 6: Final answer
   x = 95,782.60