Finding the Fourth Proportional to 82,995.72, 124,558.71 and 57,872.22

Step by Step Solution

1. Step 1: Write the proportion equation
   82,995.72 : 124,558.71 = 57,872.22 : x
2. Step 2: Convert to fraction form
   82,995.72/124,558.71 = 57,872.22/x
3. Step 3: Cross multiply
   82,995.72x = 124,558.71 × 57,872.22
4. Step 4: Simplify right side
   82,995.72x = 7,208,489,068.04
5. Step 5: Solve for x
   x = 7,208,489,068.04/82,995.72
6. Step 6: Final answer
   x = 86,853.74