Finding the Fourth Proportional to 78,443.89, 108,253.19 and 42,633.83

Step by Step Solution

1. Step 1: Write the proportion equation
   78,443.89 : 108,253.19 = 42,633.83 : x
2. Step 2: Convert to fraction form
   78,443.89/108,253.19 = 42,633.83/x
3. Step 3: Cross multiply
   78,443.89x = 108,253.19 × 42,633.83
4. Step 4: Simplify right side
   78,443.89x = 4,615,248,099.42
5. Step 5: Solve for x
   x = 4,615,248,099.42/78,443.89
6. Step 6: Final answer
   x = 58,835.02