Finding the Fourth Proportional to 42,609.08, 58,906.82 and 31,980.26

Step by Step Solution

1. Step 1: Write the proportion equation
   42,609.08 : 58,906.82 = 31,980.26 : x
2. Step 2: Convert to fraction form
   42,609.08/58,906.82 = 31,980.26/x
3. Step 3: Cross multiply
   42,609.08x = 58,906.82 × 31,980.26
4. Step 4: Simplify right side
   42,609.08x = 1,883,855,406.74
5. Step 5: Solve for x
   x = 1,883,855,406.74/42,609.08
6. Step 6: Final answer
   x = 44,212.53