Finding the Fourth Proportional to 7,661.32, 10,577.46 and 5,302.60

Step by Step Solution

1. Step 1: Write the proportion equation
   7,661.32 : 10,577.46 = 5,302.60 : x
2. Step 2: Convert to fraction form
   7,661.32/10,577.46 = 5,302.60/x
3. Step 3: Cross multiply
   7,661.32x = 10,577.46 × 5,302.60
4. Step 4: Simplify right side
   7,661.32x = 56,088,039.40
5. Step 5: Solve for x
   x = 56,088,039.40/7,661.32
6. Step 6: Final answer
   x = 7,320.94