Finding the Fourth Proportional to 9,438.55, 13,024.52 and 5,189.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,438.55 : 13,024.52 = 5,189.50 : x
2. Step 2: Convert to fraction form
   9,438.55/13,024.52 = 5,189.50/x
3. Step 3: Cross multiply
   9,438.55x = 13,024.52 × 5,189.50
4. Step 4: Simplify right side
   9,438.55x = 67,590,713.98
5. Step 5: Solve for x
   x = 67,590,713.98/9,438.55
6. Step 6: Final answer
   x = 7,161.14