Finding the Fourth Proportional to 49,443.49, 74,164.65 and 12,003.94

Step by Step Solution

1. Step 1: Write the proportion equation
   49,443.49 : 74,164.65 = 12,003.94 : x
2. Step 2: Convert to fraction form
   49,443.49/74,164.65 = 12,003.94/x
3. Step 3: Cross multiply
   49,443.49x = 74,164.65 × 12,003.94
4. Step 4: Simplify right side
   49,443.49x = 890,268,008.72
5. Step 5: Solve for x
   x = 890,268,008.72/49,443.49
6. Step 6: Final answer
   x = 18,005.77