Finding the Fourth Proportional to 13,591.48, 18,756.39 and 7,541.83

Step by Step Solution

1. Step 1: Write the proportion equation
   13,591.48 : 18,756.39 = 7,541.83 : x
2. Step 2: Convert to fraction form
   13,591.48/18,756.39 = 7,541.83/x
3. Step 3: Cross multiply
   13,591.48x = 18,756.39 × 7,541.83
4. Step 4: Simplify right side
   13,591.48x = 141,457,411.01
5. Step 5: Solve for x
   x = 141,457,411.01/13,591.48
6. Step 6: Final answer
   x = 10,407.80