Finding the Fourth Proportional to 7,384.72, 11,086.80 and 5,194.48

Step by Step Solution

1. Step 1: Write the proportion equation
   7,384.72 : 11,086.80 = 5,194.48 : x
2. Step 2: Convert to fraction form
   7,384.72/11,086.80 = 5,194.48/x
3. Step 3: Cross multiply
   7,384.72x = 11,086.80 × 5,194.48
4. Step 4: Simplify right side
   7,384.72x = 57,590,160.86
5. Step 5: Solve for x
   x = 57,590,160.86/7,384.72
6. Step 6: Final answer
   x = 7,798.56