Finding the Fourth Proportional to 49,886.42, 74,867.69 and 18,326.39

Step by Step Solution

1. Step 1: Write the proportion equation
   49,886.42 : 74,867.69 = 18,326.39 : x
2. Step 2: Convert to fraction form
   49,886.42/74,867.69 = 18,326.39/x
3. Step 3: Cross multiply
   49,886.42x = 74,867.69 × 18,326.39
4. Step 4: Simplify right side
   49,886.42x = 1,372,054,156.82
5. Step 5: Solve for x
   x = 1,372,054,156.82/49,886.42
6. Step 6: Final answer
   x = 27,503.56