Finding the Fourth Proportional to 8,314.60, 11,470.52 and 5,478.33

Step by Step Solution

1. Step 1: Write the proportion equation
   8,314.60 : 11,470.52 = 5,478.33 : x
2. Step 2: Convert to fraction form
   8,314.60/11,470.52 = 5,478.33/x
3. Step 3: Cross multiply
   8,314.60x = 11,470.52 × 5,478.33
4. Step 4: Simplify right side
   8,314.60x = 62,839,293.83
5. Step 5: Solve for x
   x = 62,839,293.83/8,314.60
6. Step 6: Final answer
   x = 7,557.70