Finding the Fourth Proportional to 78,794.82, 108,699.12 and 53,310.06

Step by Step Solution

1. Step 1: Write the proportion equation
   78,794.82 : 108,699.12 = 53,310.06 : x
2. Step 2: Convert to fraction form
   78,794.82/108,699.12 = 53,310.06/x
3. Step 3: Cross multiply
   78,794.82x = 108,699.12 × 53,310.06
4. Step 4: Simplify right side
   78,794.82x = 5,794,756,609.15
5. Step 5: Solve for x
   x = 5,794,756,609.15/78,794.82
6. Step 6: Final answer
   x = 73,542.35