Finding the Fourth Proportional to 45,039.82, 62,089.05 and 31,570.42

Step by Step Solution

1. Step 1: Write the proportion equation
   45,039.82 : 62,089.05 = 31,570.42 : x
2. Step 2: Convert to fraction form
   45,039.82/62,089.05 = 31,570.42/x
3. Step 3: Cross multiply
   45,039.82x = 62,089.05 × 31,570.42
4. Step 4: Simplify right side
   45,039.82x = 1,960,177,385.90
5. Step 5: Solve for x
   x = 1,960,177,385.90/45,039.82
6. Step 6: Final answer
   x = 43,520.99