Finding the Fourth Proportional to 13,988.89, 19,304.56 and 7,701.27

Step by Step Solution

1. Step 1: Write the proportion equation
   13,988.89 : 19,304.56 = 7,701.27 : x
2. Step 2: Convert to fraction form
   13,988.89/19,304.56 = 7,701.27/x
3. Step 3: Cross multiply
   13,988.89x = 19,304.56 × 7,701.27
4. Step 4: Simplify right side
   13,988.89x = 148,669,628.79
5. Step 5: Solve for x
   x = 148,669,628.79/13,988.89
6. Step 6: Final answer
   x = 10,627.69