Finding the Fourth Proportional to 12,146.39, 16,762.73 and 7,431.58

Step by Step Solution

1. Step 1: Write the proportion equation
   12,146.39 : 16,762.73 = 7,431.58 : x
2. Step 2: Convert to fraction form
   12,146.39/16,762.73 = 7,431.58/x
3. Step 3: Cross multiply
   12,146.39x = 16,762.73 × 7,431.58
4. Step 4: Simplify right side
   12,146.39x = 124,573,485.20
5. Step 5: Solve for x
   x = 124,573,485.20/12,146.39
6. Step 6: Final answer
   x = 10,256.01