Finding the Fourth Proportional to 61,932.51, 85,467.83 and 33,638.18

Step by Step Solution

1. Step 1: Write the proportion equation
   61,932.51 : 85,467.83 = 33,638.18 : x
2. Step 2: Convert to fraction form
   61,932.51/85,467.83 = 33,638.18/x
3. Step 3: Cross multiply
   61,932.51x = 85,467.83 × 33,638.18
4. Step 4: Simplify right side
   61,932.51x = 2,874,981,654.22
5. Step 5: Solve for x
   x = 2,874,981,654.22/61,932.51
6. Step 6: Final answer
   x = 46,421.20