Finding the Fourth Proportional to 112,912.52, 155,690.83 and 92,429.45

Step by Step Solution

1. Step 1: Write the proportion equation
   112,912.52 : 155,690.83 = 92,429.45 : x
2. Step 2: Convert to fraction form
   112,912.52/155,690.83 = 92,429.45/x
3. Step 3: Cross multiply
   112,912.52x = 155,690.83 × 92,429.45
4. Step 4: Simplify right side
   112,912.52x = 14,390,417,786.94
5. Step 5: Solve for x
   x = 14,390,417,786.94/112,912.52
6. Step 6: Final answer
   x = 127,447.49