Finding the Fourth Proportional to 83,925.36, 115,567.20 and 82,062.72

Step by Step Solution

1. Step 1: Write the proportion equation
   83,925.36 : 115,567.20 = 82,062.72 : x
2. Step 2: Convert to fraction form
   83,925.36/115,567.20 = 82,062.72/x
3. Step 3: Cross multiply
   83,925.36x = 115,567.20 × 82,062.72
4. Step 4: Simplify right side
   83,925.36x = 9,483,758,774.78
5. Step 5: Solve for x
   x = 9,483,758,774.78/83,925.36
6. Step 6: Final answer
   x = 113,002.30