Finding the Fourth Proportional to 13,025.50, 19,538.79 and 3,791.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,025.50 : 19,538.79 = 3,791.50 : x
2. Step 2: Convert to fraction form
   13,025.50/19,538.79 = 3,791.50/x
3. Step 3: Cross multiply
   13,025.50x = 19,538.79 × 3,791.50
4. Step 4: Simplify right side
   13,025.50x = 74,081,322.29
5. Step 5: Solve for x
   x = 74,081,322.29/13,025.50
6. Step 6: Final answer
   x = 5,687.41