Finding the Fourth Proportional to 42,010, 57,975.42 and 23,146.72

Step by Step Solution

1. Step 1: Write the proportion equation
   42,010 : 57,975.42 = 23,146.72 : x
2. Step 2: Convert to fraction form
   42,010/57,975.42 = 23,146.72/x
3. Step 3: Cross multiply
   42,010x = 57,975.42 × 23,146.72
4. Step 4: Simplify right side
   42,010x = 1,341,940,813.62
5. Step 5: Solve for x
   x = 1,341,940,813.62/42,010
6. Step 6: Final answer
   x = 31,943.37