Finding the Fourth Proportional to 9,180.20, 12,670.98 and 5,203.69

Step by Step Solution

1. Step 1: Write the proportion equation
   9,180.20 : 12,670.98 = 5,203.69 : x
2. Step 2: Convert to fraction form
   9,180.20/12,670.98 = 5,203.69/x
3. Step 3: Cross multiply
   9,180.20x = 12,670.98 × 5,203.69
4. Step 4: Simplify right side
   9,180.20x = 65,935,788.56
5. Step 5: Solve for x
   x = 65,935,788.56/9,180.20
6. Step 6: Final answer
   x = 7,182.39