Finding the Fourth Proportional to 13,991.50, 19,308.27 and 7,704.01

Step by Step Solution

1. Step 1: Write the proportion equation
   13,991.50 : 19,308.27 = 7,704.01 : x
2. Step 2: Convert to fraction form
   13,991.50/19,308.27 = 7,704.01/x
3. Step 3: Cross multiply
   13,991.50x = 19,308.27 × 7,704.01
4. Step 4: Simplify right side
   13,991.50x = 148,751,105.16
5. Step 5: Solve for x
   x = 148,751,105.16/13,991.50
6. Step 6: Final answer
   x = 10,631.53