Finding the Fourth Proportional to 9,366.76, 12,927.42 and 5,917.60

Step by Step Solution

1. Step 1: Write the proportion equation
   9,366.76 : 12,927.42 = 5,917.60 : x
2. Step 2: Convert to fraction form
   9,366.76/12,927.42 = 5,917.60/x
3. Step 3: Cross multiply
   9,366.76x = 12,927.42 × 5,917.60
4. Step 4: Simplify right side
   9,366.76x = 76,499,300.59
5. Step 5: Solve for x
   x = 76,499,300.59/9,366.76
6. Step 6: Final answer
   x = 8,167.10