Finding the Fourth Proportional to 49,493, 74,238.06 and 18,327.56

Step by Step Solution

1. Step 1: Write the proportion equation
   49,493 : 74,238.06 = 18,327.56 : x
2. Step 2: Convert to fraction form
   49,493/74,238.06 = 18,327.56/x
3. Step 3: Cross multiply
   49,493x = 74,238.06 × 18,327.56
4. Step 4: Simplify right side
   49,493x = 1,360,602,498.93
5. Step 5: Solve for x
   x = 1,360,602,498.93/49,493
6. Step 6: Final answer
   x = 27,490.81