Finding the Fourth Proportional to 6,870.69, 9,461.21 and 5,820.93

Step by Step Solution

1. Step 1: Write the proportion equation
   6,870.69 : 9,461.21 = 5,820.93 : x
2. Step 2: Convert to fraction form
   6,870.69/9,461.21 = 5,820.93/x
3. Step 3: Cross multiply
   6,870.69x = 9,461.21 × 5,820.93
4. Step 4: Simplify right side
   6,870.69x = 55,073,012.02
5. Step 5: Solve for x
   x = 55,073,012.02/6,870.69
6. Step 6: Final answer
   x = 8,015.65