Finding the Fourth Proportional to 112,123, 168,229.28 and 45,568.34

Step by Step Solution

1. Step 1: Write the proportion equation
   112,123 : 168,229.28 = 45,568.34 : x
2. Step 2: Convert to fraction form
   112,123/168,229.28 = 45,568.34/x
3. Step 3: Cross multiply
   112,123x = 168,229.28 × 45,568.34
4. Step 4: Simplify right side
   112,123x = 7,665,929,029.00
5. Step 5: Solve for x
   x = 7,665,929,029.00/112,123
6. Step 6: Final answer
   x = 68,370.71