Finding the Fourth Proportional to 78,301.73, 108,056.67 and 42,491.73

Step by Step Solution

1. Step 1: Write the proportion equation
   78,301.73 : 108,056.67 = 42,491.73 : x
2. Step 2: Convert to fraction form
   78,301.73/108,056.67 = 42,491.73/x
3. Step 3: Cross multiply
   78,301.73x = 108,056.67 × 42,491.73
4. Step 4: Simplify right side
   78,301.73x = 4,591,514,846.34
5. Step 5: Solve for x
   x = 4,591,514,846.34/78,301.73
6. Step 6: Final answer
   x = 58,638.74