Finding the Fourth Proportional to 78,714.48, 108,622.83 and 42,903.74

Step by Step Solution

1. Step 1: Write the proportion equation
   78,714.48 : 108,622.83 = 42,903.74 : x
2. Step 2: Convert to fraction form
   78,714.48/108,622.83 = 42,903.74/x
3. Step 3: Cross multiply
   78,714.48x = 108,622.83 × 42,903.74
4. Step 4: Simplify right side
   78,714.48x = 4,660,325,656.38
5. Step 5: Solve for x
   x = 4,660,325,656.38/78,714.48
6. Step 6: Final answer
   x = 59,205.44