Finding the Fourth Proportional to 112,989.60, 169,485.48 and 34,104.42

Step by Step Solution

1. Step 1: Write the proportion equation
   112,989.60 : 169,485.48 = 34,104.42 : x
2. Step 2: Convert to fraction form
   112,989.60/169,485.48 = 34,104.42/x
3. Step 3: Cross multiply
   112,989.60x = 169,485.48 × 34,104.42
4. Step 4: Simplify right side
   112,989.60x = 5,780,203,993.82
5. Step 5: Solve for x
   x = 5,780,203,993.82/112,989.60
6. Step 6: Final answer
   x = 51,156.96