Finding the Fourth Proportional to 112,972.12, 169,462.59 and 34,086.35

Step by Step Solution

1. Step 1: Write the proportion equation
   112,972.12 : 169,462.59 = 34,086.35 : x
2. Step 2: Convert to fraction form
   112,972.12/169,462.59 = 34,086.35/x
3. Step 3: Cross multiply
   112,972.12x = 169,462.59 × 34,086.35
4. Step 4: Simplify right side
   112,972.12x = 5,776,361,450.48
5. Step 5: Solve for x
   x = 5,776,361,450.48/112,972.12
6. Step 6: Final answer
   x = 51,130.86