Finding the Fourth Proportional to 49,663.25, 74,541.69 and 18,103.82

Step by Step Solution

1. Step 1: Write the proportion equation
   49,663.25 : 74,541.69 = 18,103.82 : x
2. Step 2: Convert to fraction form
   49,663.25/74,541.69 = 18,103.82/x
3. Step 3: Cross multiply
   49,663.25x = 74,541.69 × 18,103.82
4. Step 4: Simplify right side
   49,663.25x = 1,349,488,965.55
5. Step 5: Solve for x
   x = 1,349,488,965.55/49,663.25
6. Step 6: Final answer
   x = 27,172.79