Finding the Fourth Proportional to 13,771.94, 19,005.69 and 7,803.45

Step by Step Solution

1. Step 1: Write the proportion equation
   13,771.94 : 19,005.69 = 7,803.45 : x
2. Step 2: Convert to fraction form
   13,771.94/19,005.69 = 7,803.45/x
3. Step 3: Cross multiply
   13,771.94x = 19,005.69 × 7,803.45
4. Step 4: Simplify right side
   13,771.94x = 148,309,951.63
5. Step 5: Solve for x
   x = 148,309,951.63/13,771.94
6. Step 6: Final answer
   x = 10,769.00