Finding the Fourth Proportional to 11,947.42, 17,925.51 and 4,158.46

Step by Step Solution

1. Step 1: Write the proportion equation
   11,947.42 : 17,925.51 = 4,158.46 : x
2. Step 2: Convert to fraction form
   11,947.42/17,925.51 = 4,158.46/x
3. Step 3: Cross multiply
   11,947.42x = 17,925.51 × 4,158.46
4. Step 4: Simplify right side
   11,947.42x = 74,542,516.31
5. Step 5: Solve for x
   x = 74,542,516.31/11,947.42
6. Step 6: Final answer
   x = 6,239.21