Finding the Fourth Proportional to 10,013.96, 13,818.71 and 5,537.45

Step by Step Solution

1. Step 1: Write the proportion equation
   10,013.96 : 13,818.71 = 5,537.45 : x
2. Step 2: Convert to fraction form
   10,013.96/13,818.71 = 5,537.45/x
3. Step 3: Cross multiply
   10,013.96x = 13,818.71 × 5,537.45
4. Step 4: Simplify right side
   10,013.96x = 76,520,415.69
5. Step 5: Solve for x
   x = 76,520,415.69/10,013.96
6. Step 6: Final answer
   x = 7,641.37