Finding the Fourth Proportional to 42,213.70, 58,255.37 and 23,093.07

Step by Step Solution

1. Step 1: Write the proportion equation
   42,213.70 : 58,255.37 = 23,093.07 : x
2. Step 2: Convert to fraction form
   42,213.70/58,255.37 = 23,093.07/x
3. Step 3: Cross multiply
   42,213.70x = 58,255.37 × 23,093.07
4. Step 4: Simplify right side
   42,213.70x = 1,345,295,089.96
5. Step 5: Solve for x
   x = 1,345,295,089.96/42,213.70
6. Step 6: Final answer
   x = 31,868.68