Finding the Fourth Proportional to 2,019.61, 3,030.50 and 924.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,019.61 : 3,030.50 = 924.49 : x
2. Step 2: Convert to fraction form
   2,019.61/3,030.50 = 924.49/x
3. Step 3: Cross multiply
   2,019.61x = 3,030.50 × 924.49
4. Step 4: Simplify right side
   2,019.61x = 2,801,666.95
5. Step 5: Solve for x
   x = 2,801,666.95/2,019.61
6. Step 6: Final answer
   x = 1,387.23