Finding the Fourth Proportional to 3,665.16, 5,499.56 and 2,925.53

Step by Step Solution

1. Step 1: Write the proportion equation
   3,665.16 : 5,499.56 = 2,925.53 : x
2. Step 2: Convert to fraction form
   3,665.16/5,499.56 = 2,925.53/x
3. Step 3: Cross multiply
   3,665.16x = 5,499.56 × 2,925.53
4. Step 4: Simplify right side
   3,665.16x = 16,089,127.77
5. Step 5: Solve for x
   x = 16,089,127.77/3,665.16
6. Step 6: Final answer
   x = 4,389.75