Finding the Fourth Proportional to 82,667.81, 123,962.82 and 57,736.01

Step by Step Solution

1. Step 1: Write the proportion equation
   82,667.81 : 123,962.82 = 57,736.01 : x
2. Step 2: Convert to fraction form
   82,667.81/123,962.82 = 57,736.01/x
3. Step 3: Cross multiply
   82,667.81x = 123,962.82 × 57,736.01
4. Step 4: Simplify right side
   82,667.81x = 7,157,117,995.33
5. Step 5: Solve for x
   x = 7,157,117,995.33/82,667.81
6. Step 6: Final answer
   x = 86,576.85