Finding the Fourth Proportional to 11,945.42, 17,922.51 and 4,156.46

Step by Step Solution

1. Step 1: Write the proportion equation
   11,945.42 : 17,922.51 = 4,156.46 : x
2. Step 2: Convert to fraction form
   11,945.42/17,922.51 = 4,156.46/x
3. Step 3: Cross multiply
   11,945.42x = 17,922.51 × 4,156.46
4. Step 4: Simplify right side
   11,945.42x = 74,494,195.91
5. Step 5: Solve for x
   x = 74,494,195.91/11,945.42
6. Step 6: Final answer
   x = 6,236.21