Finding the Fourth Proportional to 10,099.77, 15,150.71 and 3,865.04

Step by Step Solution

1. Step 1: Write the proportion equation
   10,099.77 : 15,150.71 = 3,865.04 : x
2. Step 2: Convert to fraction form
   10,099.77/15,150.71 = 3,865.04/x
3. Step 3: Cross multiply
   10,099.77x = 15,150.71 × 3,865.04
4. Step 4: Simplify right side
   10,099.77x = 58,558,005.10
5. Step 5: Solve for x
   x = 58,558,005.10/10,099.77
6. Step 6: Final answer
   x = 5,797.95