Finding the Fourth Proportional to 9,468.77, 13,066.31 and 5,219.61

Step by Step Solution

1. Step 1: Write the proportion equation
   9,468.77 : 13,066.31 = 5,219.61 : x
2. Step 2: Convert to fraction form
   9,468.77/13,066.31 = 5,219.61/x
3. Step 3: Cross multiply
   9,468.77x = 13,066.31 × 5,219.61
4. Step 4: Simplify right side
   9,468.77x = 68,201,042.34
5. Step 5: Solve for x
   x = 68,201,042.34/9,468.77
6. Step 6: Final answer
   x = 7,202.74