Finding the Fourth Proportional to 9,180.89, 12,670.15 and 5,203.29

Step by Step Solution

1. Step 1: Write the proportion equation
   9,180.89 : 12,670.15 = 5,203.29 : x
2. Step 2: Convert to fraction form
   9,180.89/12,670.15 = 5,203.29/x
3. Step 3: Cross multiply
   9,180.89x = 12,670.15 × 5,203.29
4. Step 4: Simplify right side
   9,180.89x = 65,926,464.79
5. Step 5: Solve for x
   x = 65,926,464.79/9,180.89
6. Step 6: Final answer
   x = 7,180.84