Finding the Fourth Proportional to 49,870.84, 68,846.70 and 31,014.04

Step by Step Solution

1. Step 1: Write the proportion equation
   49,870.84 : 68,846.70 = 31,014.04 : x
2. Step 2: Convert to fraction form
   49,870.84/68,846.70 = 31,014.04/x
3. Step 3: Cross multiply
   49,870.84x = 68,846.70 × 31,014.04
4. Step 4: Simplify right side
   49,870.84x = 2,135,214,307.67
5. Step 5: Solve for x
   x = 2,135,214,307.67/49,870.84
6. Step 6: Final answer
   x = 42,814.89