Finding the Fourth Proportional to 78,485.27, 108,308.14 and 42,674.96

Step by Step Solution

1. Step 1: Write the proportion equation
   78,485.27 : 108,308.14 = 42,674.96 : x
2. Step 2: Convert to fraction form
   78,485.27/108,308.14 = 42,674.96/x
3. Step 3: Cross multiply
   78,485.27x = 108,308.14 × 42,674.96
4. Step 4: Simplify right side
   78,485.27x = 4,622,045,706.26
5. Step 5: Solve for x
   x = 4,622,045,706.26/78,485.27
6. Step 6: Final answer
   x = 58,890.62