Finding the Fourth Proportional to 7,577.02, 10,423.92 and 5,805.55

Step by Step Solution

1. Step 1: Write the proportion equation
   7,577.02 : 10,423.92 = 5,805.55 : x
2. Step 2: Convert to fraction form
   7,577.02/10,423.92 = 5,805.55/x
3. Step 3: Cross multiply
   7,577.02x = 10,423.92 × 5,805.55
4. Step 4: Simplify right side
   7,577.02x = 60,516,588.76
5. Step 5: Solve for x
   x = 60,516,588.76/7,577.02
6. Step 6: Final answer
   x = 7,986.86