Finding the Fourth Proportional to 2,020.83, 3,030.71 and 924.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,020.83 : 3,030.71 = 924.63 : x
2. Step 2: Convert to fraction form
   2,020.83/3,030.71 = 924.63/x
3. Step 3: Cross multiply
   2,020.83x = 3,030.71 × 924.63
4. Step 4: Simplify right side
   2,020.83x = 2,802,280.76
5. Step 5: Solve for x
   x = 2,802,280.76/2,020.83
6. Step 6: Final answer
   x = 1,386.70