Finding the Fourth Proportional to 74,196.78, 111,293.54 and 18,037.18

Step by Step Solution

1. Step 1: Write the proportion equation
   74,196.78 : 111,293.54 = 18,037.18 : x
2. Step 2: Convert to fraction form
   74,196.78/111,293.54 = 18,037.18/x
3. Step 3: Cross multiply
   74,196.78x = 111,293.54 × 18,037.18
4. Step 4: Simplify right side
   74,196.78x = 2,007,421,658.91
5. Step 5: Solve for x
   x = 2,007,421,658.91/74,196.78
6. Step 6: Final answer
   x = 27,055.38