Finding the Fourth Proportional to 42,662.58, 58,842.60 and 31,328.52

Step by Step Solution

1. Step 1: Write the proportion equation
   42,662.58 : 58,842.60 = 31,328.52 : x
2. Step 2: Convert to fraction form
   42,662.58/58,842.60 = 31,328.52/x
3. Step 3: Cross multiply
   42,662.58x = 58,842.60 × 31,328.52
4. Step 4: Simplify right side
   42,662.58x = 1,843,451,570.95
5. Step 5: Solve for x
   x = 1,843,451,570.95/42,662.58
6. Step 6: Final answer
   x = 43,210.03