Finding the Fourth Proportional to 82,002.72, 122,927.04 and 74,698.56

Step by Step Solution

1. Step 1: Write the proportion equation
   82,002.72 : 122,927.04 = 74,698.56 : x
2. Step 2: Convert to fraction form
   82,002.72/122,927.04 = 74,698.56/x
3. Step 3: Cross multiply
   82,002.72x = 122,927.04 × 74,698.56
4. Step 4: Simplify right side
   82,002.72x = 9,182,472,873.06
5. Step 5: Solve for x
   x = 9,182,472,873.06/82,002.72
6. Step 6: Final answer
   x = 111,977.66