Finding the Fourth Proportional to 35,693.98, 49,281.74 and 31,905

Step by Step Solution

1. Step 1: Write the proportion equation
   35,693.98 : 49,281.74 = 31,905 : x
2. Step 2: Convert to fraction form
   35,693.98/49,281.74 = 31,905/x
3. Step 3: Cross multiply
   35,693.98x = 49,281.74 × 31,905
4. Step 4: Simplify right side
   35,693.98x = 1,572,333,914.70
5. Step 5: Solve for x
   x = 1,572,333,914.70/35,693.98
6. Step 6: Final answer
   x = 44,050.39