Finding the Fourth Proportional to 78,895.98, 108,995.22 and 51,736.68

Step by Step Solution

1. Step 1: Write the proportion equation
   78,895.98 : 108,995.22 = 51,736.68 : x
2. Step 2: Convert to fraction form
   78,895.98/108,995.22 = 51,736.68/x
3. Step 3: Cross multiply
   78,895.98x = 108,995.22 × 51,736.68
4. Step 4: Simplify right side
   78,895.98x = 5,639,050,818.67
5. Step 5: Solve for x
   x = 5,639,050,818.67/78,895.98
6. Step 6: Final answer
   x = 71,474.50