Finding the Fourth Proportional to 6,123.42, 9,170.54 and 3,345.94

Step by Step Solution

1. Step 1: Write the proportion equation
   6,123.42 : 9,170.54 = 3,345.94 : x
2. Step 2: Convert to fraction form
   6,123.42/9,170.54 = 3,345.94/x
3. Step 3: Cross multiply
   6,123.42x = 9,170.54 × 3,345.94
4. Step 4: Simplify right side
   6,123.42x = 30,684,076.61
5. Step 5: Solve for x
   x = 30,684,076.61/6,123.42
6. Step 6: Final answer
   x = 5,010.94