Finding the Fourth Proportional to 78,473.27, 108,293.32 and 42,663.27

Step by Step Solution

1. Step 1: Write the proportion equation
   78,473.27 : 108,293.32 = 42,663.27 : x
2. Step 2: Convert to fraction form
   78,473.27/108,293.32 = 42,663.27/x
3. Step 3: Cross multiply
   78,473.27x = 108,293.32 × 42,663.27
4. Step 4: Simplify right side
   78,473.27x = 4,620,147,609.79
5. Step 5: Solve for x
   x = 4,620,147,609.79/78,473.27
6. Step 6: Final answer
   x = 58,875.43