Finding the Fourth Proportional to 42,262.78, 58,322.13 and 23,142.34

Step by Step Solution

1. Step 1: Write the proportion equation
   42,262.78 : 58,322.13 = 23,142.34 : x
2. Step 2: Convert to fraction form
   42,262.78/58,322.13 = 23,142.34/x
3. Step 3: Cross multiply
   42,262.78x = 58,322.13 × 23,142.34
4. Step 4: Simplify right side
   42,262.78x = 1,349,710,561.98
5. Step 5: Solve for x
   x = 1,349,710,561.98/42,262.78
6. Step 6: Final answer
   x = 31,936.15