Finding the Fourth Proportional to 42,263.78, 58,323.50 and 23,143.34

Step by Step Solution

1. Step 1: Write the proportion equation
   42,263.78 : 58,323.50 = 23,143.34 : x
2. Step 2: Convert to fraction form
   42,263.78/58,323.50 = 23,143.34/x
3. Step 3: Cross multiply
   42,263.78x = 58,323.50 × 23,143.34
4. Step 4: Simplify right side
   42,263.78x = 1,349,800,590.49
5. Step 5: Solve for x
   x = 1,349,800,590.49/42,263.78
6. Step 6: Final answer
   x = 31,937.53