Finding the Fourth Proportional to 9,366.88, 12,926.39 and 5,118.07

Step by Step Solution

1. Step 1: Write the proportion equation
   9,366.88 : 12,926.39 = 5,118.07 : x
2. Step 2: Convert to fraction form
   9,366.88/12,926.39 = 5,118.07/x
3. Step 3: Cross multiply
   9,366.88x = 12,926.39 × 5,118.07
4. Step 4: Simplify right side
   9,366.88x = 66,158,159.43
5. Step 5: Solve for x
   x = 66,158,159.43/9,366.88
6. Step 6: Final answer
   x = 7,062.99