Finding the Fourth Proportional to 55,755.63, 83,584.17 and 42,666.44

Step by Step Solution

1. Step 1: Write the proportion equation
   55,755.63 : 83,584.17 = 42,666.44 : x
2. Step 2: Convert to fraction form
   55,755.63/83,584.17 = 42,666.44/x
3. Step 3: Cross multiply
   55,755.63x = 83,584.17 × 42,666.44
4. Step 4: Simplify right side
   55,755.63x = 3,566,238,556.33
5. Step 5: Solve for x
   x = 3,566,238,556.33/55,755.63
6. Step 6: Final answer
   x = 63,961.95