Finding the Fourth Proportional to 10,387.59, 15,588.21 and 3,813.84

Step by Step Solution

1. Step 1: Write the proportion equation
   10,387.59 : 15,588.21 = 3,813.84 : x
2. Step 2: Convert to fraction form
   10,387.59/15,588.21 = 3,813.84/x
3. Step 3: Cross multiply
   10,387.59x = 15,588.21 × 3,813.84
4. Step 4: Simplify right side
   10,387.59x = 59,450,938.83
5. Step 5: Solve for x
   x = 59,450,938.83/10,387.59
6. Step 6: Final answer
   x = 5,723.27