Finding the Fourth Proportional to 7,690.64, 10,613.59 and 5,798.89

Step by Step Solution

1. Step 1: Write the proportion equation
   7,690.64 : 10,613.59 = 5,798.89 : x
2. Step 2: Convert to fraction form
   7,690.64/10,613.59 = 5,798.89/x
3. Step 3: Cross multiply
   7,690.64x = 10,613.59 × 5,798.89
4. Step 4: Simplify right side
   7,690.64x = 61,546,999.88
5. Step 5: Solve for x
   x = 61,546,999.88/7,690.64
6. Step 6: Final answer
   x = 8,002.84