Finding the Fourth Proportional to 74,215.42, 111,321.59 and 18,055.82

Step by Step Solution

1. Step 1: Write the proportion equation
   74,215.42 : 111,321.59 = 18,055.82 : x
2. Step 2: Convert to fraction form
   74,215.42/111,321.59 = 18,055.82/x
3. Step 3: Cross multiply
   74,215.42x = 111,321.59 × 18,055.82
4. Step 4: Simplify right side
   74,215.42x = 2,010,002,656.50
5. Step 5: Solve for x
   x = 2,010,002,656.50/74,215.42
6. Step 6: Final answer
   x = 27,083.36