Finding the Fourth Proportional to 4,699.64, 7,036.49 and 3,820.10

Step by Step Solution

1. Step 1: Write the proportion equation
   4,699.64 : 7,036.49 = 3,820.10 : x
2. Step 2: Convert to fraction form
   4,699.64/7,036.49 = 3,820.10/x
3. Step 3: Cross multiply
   4,699.64x = 7,036.49 × 3,820.10
4. Step 4: Simplify right side
   4,699.64x = 26,880,069.82
5. Step 5: Solve for x
   x = 26,880,069.82/4,699.64
6. Step 6: Final answer
   x = 5,719.60