Finding the Fourth Proportional to 49,111.65, 67,774.16 and 27,890.91

Step by Step Solution

1. Step 1: Write the proportion equation
   49,111.65 : 67,774.16 = 27,890.91 : x
2. Step 2: Convert to fraction form
   49,111.65/67,774.16 = 27,890.91/x
3. Step 3: Cross multiply
   49,111.65x = 67,774.16 × 27,890.91
4. Step 4: Simplify right side
   49,111.65x = 1,890,283,066.61
5. Step 5: Solve for x
   x = 1,890,283,066.61/49,111.65
6. Step 6: Final answer
   x = 38,489.50