Finding the Fourth Proportional to 7,707.18, 10,624.59 and 5,554.38

Step by Step Solution

1. Step 1: Write the proportion equation
   7,707.18 : 10,624.59 = 5,554.38 : x
2. Step 2: Convert to fraction form
   7,707.18/10,624.59 = 5,554.38/x
3. Step 3: Cross multiply
   7,707.18x = 10,624.59 × 5,554.38
4. Step 4: Simplify right side
   7,707.18x = 59,013,010.20
5. Step 5: Solve for x
   x = 59,013,010.20/7,707.18
6. Step 6: Final answer
   x = 7,656.89