Finding the Fourth Proportional to 78,425.45, 108,224.16 and 42,614.70

Step by Step Solution

1. Step 1: Write the proportion equation
   78,425.45 : 108,224.16 = 42,614.70 : x
2. Step 2: Convert to fraction form
   78,425.45/108,224.16 = 42,614.70/x
3. Step 3: Cross multiply
   78,425.45x = 108,224.16 × 42,614.70
4. Step 4: Simplify right side
   78,425.45x = 4,611,940,111.15
5. Step 5: Solve for x
   x = 4,611,940,111.15/78,425.45
6. Step 6: Final answer
   x = 58,806.68