Finding the Fourth Proportional to 9,620.91, 13,278.20 and 5,844.15

Step by Step Solution

1. Step 1: Write the proportion equation
   9,620.91 : 13,278.20 = 5,844.15 : x
2. Step 2: Convert to fraction form
   9,620.91/13,278.20 = 5,844.15/x
3. Step 3: Cross multiply
   9,620.91x = 13,278.20 × 5,844.15
4. Step 4: Simplify right side
   9,620.91x = 77,599,763.31
5. Step 5: Solve for x
   x = 77,599,763.31/9,620.91
6. Step 6: Final answer
   x = 8,065.74