Finding the Fourth Proportional to 78,403.49, 108,196.95 and 42,593.54

Step by Step Solution

1. Step 1: Write the proportion equation
   78,403.49 : 108,196.95 = 42,593.54 : x
2. Step 2: Convert to fraction form
   78,403.49/108,196.95 = 42,593.54/x
3. Step 3: Cross multiply
   78,403.49x = 108,196.95 × 42,593.54
4. Step 4: Simplify right side
   78,403.49x = 4,608,490,576.72
5. Step 5: Solve for x
   x = 4,608,490,576.72/78,403.49
6. Step 6: Final answer
   x = 58,779.15