Finding the Fourth Proportional to 9,266.79, 12,788.10 and 5,017.86

Step by Step Solution

1. Step 1: Write the proportion equation
   9,266.79 : 12,788.10 = 5,017.86 : x
2. Step 2: Convert to fraction form
   9,266.79/12,788.10 = 5,017.86/x
3. Step 3: Cross multiply
   9,266.79x = 12,788.10 × 5,017.86
4. Step 4: Simplify right side
   9,266.79x = 64,168,895.47
5. Step 5: Solve for x
   x = 64,168,895.47/9,266.79
6. Step 6: Final answer
   x = 6,924.61