Finding the Fourth Proportional to 82,266.37, 123,438.74 and 57,004.84

Step by Step Solution

1. Step 1: Write the proportion equation
   82,266.37 : 123,438.74 = 57,004.84 : x
2. Step 2: Convert to fraction form
   82,266.37/123,438.74 = 57,004.84/x
3. Step 3: Cross multiply
   82,266.37x = 123,438.74 × 57,004.84
4. Step 4: Simplify right side
   82,266.37x = 7,036,605,623.50
5. Step 5: Solve for x
   x = 7,036,605,623.50/82,266.37
6. Step 6: Final answer
   x = 85,534.41