Finding the Fourth Proportional to 8,307.33, 12,465.23 and 5,186.67

Step by Step Solution

1. Step 1: Write the proportion equation
   8,307.33 : 12,465.23 = 5,186.67 : x
2. Step 2: Convert to fraction form
   8,307.33/12,465.23 = 5,186.67/x
3. Step 3: Cross multiply
   8,307.33x = 12,465.23 × 5,186.67
4. Step 4: Simplify right side
   8,307.33x = 64,653,008.55
5. Step 5: Solve for x
   x = 64,653,008.55/8,307.33
6. Step 6: Final answer
   x = 7,782.65