Finding the Fourth Proportional to 42,048.78, 58,026.96 and 23,185.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,048.78 : 58,026.96 = 23,185.50 : x
2. Step 2: Convert to fraction form
   42,048.78/58,026.96 = 23,185.50/x
3. Step 3: Cross multiply
   42,048.78x = 58,026.96 × 23,185.50
4. Step 4: Simplify right side
   42,048.78x = 1,345,384,081.08
5. Step 5: Solve for x
   x = 1,345,384,081.08/42,048.78
6. Step 6: Final answer
   x = 31,995.79