Finding the Fourth Proportional to 82,801.20, 114,012.61 and 62,412.89

Step by Step Solution

1. Step 1: Write the proportion equation
   82,801.20 : 114,012.61 = 62,412.89 : x
2. Step 2: Convert to fraction form
   82,801.20/114,012.61 = 62,412.89/x
3. Step 3: Cross multiply
   82,801.20x = 114,012.61 × 62,412.89
4. Step 4: Simplify right side
   82,801.20x = 7,115,855,604.42
5. Step 5: Solve for x
   x = 7,115,855,604.42/82,801.20
6. Step 6: Final answer
   x = 85,939.04