Finding the Fourth Proportional to 10,181.90, 14,051.58 and 5,707.09

Step by Step Solution

1. Step 1: Write the proportion equation
   10,181.90 : 14,051.58 = 5,707.09 : x
2. Step 2: Convert to fraction form
   10,181.90/14,051.58 = 5,707.09/x
3. Step 3: Cross multiply
   10,181.90x = 14,051.58 × 5,707.09
4. Step 4: Simplify right side
   10,181.90x = 80,193,627.87
5. Step 5: Solve for x
   x = 80,193,627.87/10,181.90
6. Step 6: Final answer
   x = 7,876.09