Finding the Fourth Proportional to 42,009.30, 57,973.51 and 23,146.42

Step by Step Solution

1. Step 1: Write the proportion equation
   42,009.30 : 57,973.51 = 23,146.42 : x
2. Step 2: Convert to fraction form
   42,009.30/57,973.51 = 23,146.42/x
3. Step 3: Cross multiply
   42,009.30x = 57,973.51 × 23,146.42
4. Step 4: Simplify right side
   42,009.30x = 1,341,879,211.33
5. Step 5: Solve for x
   x = 1,341,879,211.33/42,009.30
6. Step 6: Final answer
   x = 31,942.43