Finding the Fourth Proportional to 13,770.54, 20,654.73 and 5,007.42

Step by Step Solution

1. Step 1: Write the proportion equation
   13,770.54 : 20,654.73 = 5,007.42 : x
2. Step 2: Convert to fraction form
   13,770.54/20,654.73 = 5,007.42/x
3. Step 3: Cross multiply
   13,770.54x = 20,654.73 × 5,007.42
4. Step 4: Simplify right side
   13,770.54x = 103,426,908.10
5. Step 5: Solve for x
   x = 103,426,908.10/13,770.54
6. Step 6: Final answer
   x = 7,510.74