Finding the Fourth Proportional to 78,308.48, 108,063.84 and 42,496.96

Step by Step Solution

1. Step 1: Write the proportion equation
   78,308.48 : 108,063.84 = 42,496.96 : x
2. Step 2: Convert to fraction form
   78,308.48/108,063.84 = 42,496.96/x
3. Step 3: Cross multiply
   78,308.48x = 108,063.84 × 42,496.96
4. Step 4: Simplify right side
   78,308.48x = 4,592,384,685.93
5. Step 5: Solve for x
   x = 4,592,384,685.93/78,308.48
6. Step 6: Final answer
   x = 58,644.79