Finding the Fourth Proportional to 7,375.86, 11,066.49 and 3,429

Step by Step Solution

1. Step 1: Write the proportion equation
   7,375.86 : 11,066.49 = 3,429 : x
2. Step 2: Convert to fraction form
   7,375.86/11,066.49 = 3,429/x
3. Step 3: Cross multiply
   7,375.86x = 11,066.49 × 3,429
4. Step 4: Simplify right side
   7,375.86x = 37,946,994.21
5. Step 5: Solve for x
   x = 37,946,994.21/7,375.86
6. Step 6: Final answer
   x = 5,144.76