Finding the Fourth Proportional to 42,075.45, 62,866.71 and 40,603.82

Step by Step Solution

1. Step 1: Write the proportion equation
   42,075.45 : 62,866.71 = 40,603.82 : x
2. Step 2: Convert to fraction form
   42,075.45/62,866.71 = 40,603.82/x
3. Step 3: Cross multiply
   42,075.45x = 62,866.71 × 40,603.82
4. Step 4: Simplify right side
   42,075.45x = 2,552,628,262.50
5. Step 5: Solve for x
   x = 2,552,628,262.50/42,075.45
6. Step 6: Final answer
   x = 60,667.88