Finding the Fourth Proportional to 2,892.85, 3,988.15 and 1,830.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,892.85 : 3,988.15 = 1,830.08 : x
2. Step 2: Convert to fraction form
   2,892.85/3,988.15 = 1,830.08/x
3. Step 3: Cross multiply
   2,892.85x = 3,988.15 × 1,830.08
4. Step 4: Simplify right side
   2,892.85x = 7,298,633.55
5. Step 5: Solve for x
   x = 7,298,633.55/2,892.85
6. Step 6: Final answer
   x = 2,522.99