Finding the Fourth Proportional to 42,555.78, 63,808.56 and 17,567.82

Step by Step Solution

1. Step 1: Write the proportion equation
   42,555.78 : 63,808.56 = 17,567.82 : x
2. Step 2: Convert to fraction form
   42,555.78/63,808.56 = 17,567.82/x
3. Step 3: Cross multiply
   42,555.78x = 63,808.56 × 17,567.82
4. Step 4: Simplify right side
   42,555.78x = 1,120,977,296.54
5. Step 5: Solve for x
   x = 1,120,977,296.54/42,555.78
6. Step 6: Final answer
   x = 26,341.36