Finding the Fourth Proportional to 10,387.83, 15,572.46 and 3,812.49

Step by Step Solution

1. Step 1: Write the proportion equation
   10,387.83 : 15,572.46 = 3,812.49 : x
2. Step 2: Convert to fraction form
   10,387.83/15,572.46 = 3,812.49/x
3. Step 3: Cross multiply
   10,387.83x = 15,572.46 × 3,812.49
4. Step 4: Simplify right side
   10,387.83x = 59,369,848.03
5. Step 5: Solve for x
   x = 59,369,848.03/10,387.83
6. Step 6: Final answer
   x = 5,715.33