Finding the Fourth Proportional to 49,191.24, 67,889.94 and 31,068.30

Step by Step Solution

1. Step 1: Write the proportion equation
   49,191.24 : 67,889.94 = 31,068.30 : x
2. Step 2: Convert to fraction form
   49,191.24/67,889.94 = 31,068.30/x
3. Step 3: Cross multiply
   49,191.24x = 67,889.94 × 31,068.30
4. Step 4: Simplify right side
   49,191.24x = 2,109,225,022.90
5. Step 5: Solve for x
   x = 2,109,225,022.90/49,191.24
6. Step 6: Final answer
   x = 42,878.06