Finding the Fourth Proportional to 7,039.59, 10,557.99 and 2,042.55

Step by Step Solution

1. Step 1: Write the proportion equation
   7,039.59 : 10,557.99 = 2,042.55 : x
2. Step 2: Convert to fraction form
   7,039.59/10,557.99 = 2,042.55/x
3. Step 3: Cross multiply
   7,039.59x = 10,557.99 × 2,042.55
4. Step 4: Simplify right side
   7,039.59x = 21,565,222.47
5. Step 5: Solve for x
   x = 21,565,222.47/7,039.59
6. Step 6: Final answer
   x = 3,063.42