Finding the Fourth Proportional to 112,375.67, 168,569.98 and 42,255.59

Step by Step Solution

1. Step 1: Write the proportion equation
   112,375.67 : 168,569.98 = 42,255.59 : x
2. Step 2: Convert to fraction form
   112,375.67/168,569.98 = 42,255.59/x
3. Step 3: Cross multiply
   112,375.67x = 168,569.98 × 42,255.59
4. Step 4: Simplify right side
   112,375.67x = 7,123,023,961.19
5. Step 5: Solve for x
   x = 7,123,023,961.19/112,375.67
6. Step 6: Final answer
   x = 63,385.82