Finding the Fourth Proportional to 112,481.52, 168,733.80 and 42,419.76

Step by Step Solution

1. Step 1: Write the proportion equation
   112,481.52 : 168,733.80 = 42,419.76 : x
2. Step 2: Convert to fraction form
   112,481.52/168,733.80 = 42,419.76/x
3. Step 3: Cross multiply
   112,481.52x = 168,733.80 × 42,419.76
4. Step 4: Simplify right side
   112,481.52x = 7,157,647,299.89
5. Step 5: Solve for x
   x = 7,157,647,299.89/112,481.52
6. Step 6: Final answer
   x = 63,633.98