Finding the Fourth Proportional to 42,162.88, 58,185.54 and 23,043.47

Step by Step Solution

1. Step 1: Write the proportion equation
   42,162.88 : 58,185.54 = 23,043.47 : x
2. Step 2: Convert to fraction form
   42,162.88/58,185.54 = 23,043.47/x
3. Step 3: Cross multiply
   42,162.88x = 58,185.54 × 23,043.47
4. Step 4: Simplify right side
   42,162.88x = 1,340,796,454.50
5. Step 5: Solve for x
   x = 1,340,796,454.50/42,162.88
6. Step 6: Final answer
   x = 31,800.40