Finding the Fourth Proportional to 7,550.02, 10,415.50 and 5,778.55

Step by Step Solution

1. Step 1: Write the proportion equation
   7,550.02 : 10,415.50 = 5,778.55 : x
2. Step 2: Convert to fraction form
   7,550.02/10,415.50 = 5,778.55/x
3. Step 3: Cross multiply
   7,550.02x = 10,415.50 × 5,778.55
4. Step 4: Simplify right side
   7,550.02x = 60,186,487.53
5. Step 5: Solve for x
   x = 60,186,487.53/7,550.02
6. Step 6: Final answer
   x = 7,971.70