Finding the Fourth Proportional to 112,377.46, 168,590.81 and 42,256.77

Step by Step Solution

1. Step 1: Write the proportion equation
   112,377.46 : 168,590.81 = 42,256.77 : x
2. Step 2: Convert to fraction form
   112,377.46/168,590.81 = 42,256.77/x
3. Step 3: Cross multiply
   112,377.46x = 168,590.81 × 42,256.77
4. Step 4: Simplify right side
   112,377.46x = 7,124,103,082.28
5. Step 5: Solve for x
   x = 7,124,103,082.28/112,377.46
6. Step 6: Final answer
   x = 63,394.41