Finding the Fourth Proportional to 82,935.75, 124,391.38 and 40,804.55

Step by Step Solution

1. Step 1: Write the proportion equation
   82,935.75 : 124,391.38 = 40,804.55 : x
2. Step 2: Convert to fraction form
   82,935.75/124,391.38 = 40,804.55/x
3. Step 3: Cross multiply
   82,935.75x = 124,391.38 × 40,804.55
4. Step 4: Simplify right side
   82,935.75x = 5,075,734,284.78
5. Step 5: Solve for x
   x = 5,075,734,284.78/82,935.75
6. Step 6: Final answer
   x = 61,200.80