Finding the Fourth Proportional to 7,561.61, 10,436.69 and 4,377.10

Step by Step Solution

1. Step 1: Write the proportion equation
   7,561.61 : 10,436.69 = 4,377.10 : x
2. Step 2: Convert to fraction form
   7,561.61/10,436.69 = 4,377.10/x
3. Step 3: Cross multiply
   7,561.61x = 10,436.69 × 4,377.10
4. Step 4: Simplify right side
   7,561.61x = 45,682,435.80
5. Step 5: Solve for x
   x = 45,682,435.80/7,561.61
6. Step 6: Final answer
   x = 6,041.36