Finding the Fourth Proportional to 5,869.07, 8,099.69 and 3,876.13

Step by Step Solution

1. Step 1: Write the proportion equation
   5,869.07 : 8,099.69 = 3,876.13 : x
2. Step 2: Convert to fraction form
   5,869.07/8,099.69 = 3,876.13/x
3. Step 3: Cross multiply
   5,869.07x = 8,099.69 × 3,876.13
4. Step 4: Simplify right side
   5,869.07x = 31,395,411.77
5. Step 5: Solve for x
   x = 31,395,411.77/5,869.07
6. Step 6: Final answer
   x = 5,349.30