Finding the Fourth Proportional to 10,099.46, 15,146.84 and 3,857.18

Step by Step Solution

1. Step 1: Write the proportion equation
   10,099.46 : 15,146.84 = 3,857.18 : x
2. Step 2: Convert to fraction form
   10,099.46/15,146.84 = 3,857.18/x
3. Step 3: Cross multiply
   10,099.46x = 15,146.84 × 3,857.18
4. Step 4: Simplify right side
   10,099.46x = 58,424,088.31
5. Step 5: Solve for x
   x = 58,424,088.31/10,099.46
6. Step 6: Final answer
   x = 5,784.87