Finding the Fourth Proportional to 78,806.94, 108,754.14 and 42,997.38

Step by Step Solution

1. Step 1: Write the proportion equation
   78,806.94 : 108,754.14 = 42,997.38 : x
2. Step 2: Convert to fraction form
   78,806.94/108,754.14 = 42,997.38/x
3. Step 3: Cross multiply
   78,806.94x = 108,754.14 × 42,997.38
4. Step 4: Simplify right side
   78,806.94x = 4,676,143,084.15
5. Step 5: Solve for x
   x = 4,676,143,084.15/78,806.94
6. Step 6: Final answer
   x = 59,336.69