Finding the Fourth Proportional to 7,013.52, 10,503.72 and 3,888.96

Step by Step Solution

1. Step 1: Write the proportion equation
   7,013.52 : 10,503.72 = 3,888.96 : x
2. Step 2: Convert to fraction form
   7,013.52/10,503.72 = 3,888.96/x
3. Step 3: Cross multiply
   7,013.52x = 10,503.72 × 3,888.96
4. Step 4: Simplify right side
   7,013.52x = 40,848,546.93
5. Step 5: Solve for x
   x = 40,848,546.93/7,013.52
6. Step 6: Final answer
   x = 5,824.26