Finding the Fourth Proportional to 9,355.68, 12,910.63 and 5,106.82

Step by Step Solution

1. Step 1: Write the proportion equation
   9,355.68 : 12,910.63 = 5,106.82 : x
2. Step 2: Convert to fraction form
   9,355.68/12,910.63 = 5,106.82/x
3. Step 3: Cross multiply
   9,355.68x = 12,910.63 × 5,106.82
4. Step 4: Simplify right side
   9,355.68x = 65,932,263.50
5. Step 5: Solve for x
   x = 65,932,263.50/9,355.68
6. Step 6: Final answer
   x = 7,047.30