Finding the Fourth Proportional to 78,196.41, 117,276.63 and 46,615.39

Step by Step Solution

1. Step 1: Write the proportion equation
   78,196.41 : 117,276.63 = 46,615.39 : x
2. Step 2: Convert to fraction form
   78,196.41/117,276.63 = 46,615.39/x
3. Step 3: Cross multiply
   78,196.41x = 117,276.63 × 46,615.39
4. Step 4: Simplify right side
   78,196.41x = 5,466,895,377.34
5. Step 5: Solve for x
   x = 5,466,895,377.34/78,196.41
6. Step 6: Final answer
   x = 69,912.36