Finding the Fourth Proportional to 5,282.76, 7,290.32 and 2,892.83

Step by Step Solution

1. Step 1: Write the proportion equation
   5,282.76 : 7,290.32 = 2,892.83 : x
2. Step 2: Convert to fraction form
   5,282.76/7,290.32 = 2,892.83/x
3. Step 3: Cross multiply
   5,282.76x = 7,290.32 × 2,892.83
4. Step 4: Simplify right side
   5,282.76x = 21,089,681.86
5. Step 5: Solve for x
   x = 21,089,681.86/5,282.76
6. Step 6: Final answer
   x = 3,992.17