Finding the Fourth Proportional to 13,771.05, 19,004.00 and 7,803.86

Step by Step Solution

1. Step 1: Write the proportion equation
   13,771.05 : 19,004.00 = 7,803.86 : x
2. Step 2: Convert to fraction form
   13,771.05/19,004.00 = 7,803.86/x
3. Step 3: Cross multiply
   13,771.05x = 19,004.00 × 7,803.86
4. Step 4: Simplify right side
   13,771.05x = 148,304,516.42
5. Step 5: Solve for x
   x = 148,304,516.42/13,771.05
6. Step 6: Final answer
   x = 10,769.30