Finding the Fourth Proportional to 7,002.50, 9,663.36 and 3,815.93

Step by Step Solution

1. Step 1: Write the proportion equation
   7,002.50 : 9,663.36 = 3,815.93 : x
2. Step 2: Convert to fraction form
   7,002.50/9,663.36 = 3,815.93/x
3. Step 3: Cross multiply
   7,002.50x = 9,663.36 × 3,815.93
4. Step 4: Simplify right side
   7,002.50x = 36,874,715.17
5. Step 5: Solve for x
   x = 36,874,715.17/7,002.50
6. Step 6: Final answer
   x = 5,265.94