Finding the Fourth Proportional to 112,392.84, 168,572.25 and 42,255.75

Step by Step Solution

1. Step 1: Write the proportion equation
   112,392.84 : 168,572.25 = 42,255.75 : x
2. Step 2: Convert to fraction form
   112,392.84/168,572.25 = 42,255.75/x
3. Step 3: Cross multiply
   112,392.84x = 168,572.25 × 42,255.75
4. Step 4: Simplify right side
   112,392.84x = 7,123,146,852.94
5. Step 5: Solve for x
   x = 7,123,146,852.94/112,392.84
6. Step 6: Final answer
   x = 63,377.23