Finding the Fourth Proportional to 5,830.48, 8,003.01 and 5,186.91

Step by Step Solution

1. Step 1: Write the proportion equation
   5,830.48 : 8,003.01 = 5,186.91 : x
2. Step 2: Convert to fraction form
   5,830.48/8,003.01 = 5,186.91/x
3. Step 3: Cross multiply
   5,830.48x = 8,003.01 × 5,186.91
4. Step 4: Simplify right side
   5,830.48x = 41,510,892.60
5. Step 5: Solve for x
   x = 41,510,892.60/5,830.48
6. Step 6: Final answer
   x = 7,119.64