Finding the Fourth Proportional to 78,196.85, 117,277.28 and 46,615.83

Step by Step Solution

1. Step 1: Write the proportion equation
   78,196.85 : 117,277.28 = 46,615.83 : x
2. Step 2: Convert to fraction form
   78,196.85/117,277.28 = 46,615.83/x
3. Step 3: Cross multiply
   78,196.85x = 117,277.28 × 46,615.83
4. Step 4: Simplify right side
   78,196.85x = 5,466,977,747.34
5. Step 5: Solve for x
   x = 5,466,977,747.34/78,196.85
6. Step 6: Final answer
   x = 69,913.02