Finding the Fourth Proportional to 78,706.37, 108,615.30 and 42,896.27

Step by Step Solution

1. Step 1: Write the proportion equation
   78,706.37 : 108,615.30 = 42,896.27 : x
2. Step 2: Convert to fraction form
   78,706.37/108,615.30 = 42,896.27/x
3. Step 3: Cross multiply
   78,706.37x = 108,615.30 × 42,896.27
4. Step 4: Simplify right side
   78,706.37x = 4,659,191,234.93
5. Step 5: Solve for x
   x = 4,659,191,234.93/78,706.37
6. Step 6: Final answer
   x = 59,197.13