Finding the Fourth Proportional to 9,815.52, 13,545.78 and 5,624.58

Step by Step Solution

1. Step 1: Write the proportion equation
   9,815.52 : 13,545.78 = 5,624.58 : x
2. Step 2: Convert to fraction form
   9,815.52/13,545.78 = 5,624.58/x
3. Step 3: Cross multiply
   9,815.52x = 13,545.78 × 5,624.58
4. Step 4: Simplify right side
   9,815.52x = 76,189,374.07
5. Step 5: Solve for x
   x = 76,189,374.07/9,815.52
6. Step 6: Final answer
   x = 7,762.13