Finding the Fourth Proportional to 9,181.89, 12,670.07 and 5,203.35

Step by Step Solution

1. Step 1: Write the proportion equation
   9,181.89 : 12,670.07 = 5,203.35 : x
2. Step 2: Convert to fraction form
   9,181.89/12,670.07 = 5,203.35/x
3. Step 3: Cross multiply
   9,181.89x = 12,670.07 × 5,203.35
4. Step 4: Simplify right side
   9,181.89x = 65,926,782.72
5. Step 5: Solve for x
   x = 65,926,782.72/9,181.89
6. Step 6: Final answer
   x = 7,180.09