Finding the Fourth Proportional to 8,970.14, 12,380.85 and 5,820.86

Step by Step Solution

1. Step 1: Write the proportion equation
   8,970.14 : 12,380.85 = 5,820.86 : x
2. Step 2: Convert to fraction form
   8,970.14/12,380.85 = 5,820.86/x
3. Step 3: Cross multiply
   8,970.14x = 12,380.85 × 5,820.86
4. Step 4: Simplify right side
   8,970.14x = 72,067,132.63
5. Step 5: Solve for x
   x = 72,067,132.63/8,970.14
6. Step 6: Final answer
   x = 8,034.12