Finding the Fourth Proportional to 7,059.78, 10,590.90 and 2,902.05

Step by Step Solution

1. Step 1: Write the proportion equation
   7,059.78 : 10,590.90 = 2,902.05 : x
2. Step 2: Convert to fraction form
   7,059.78/10,590.90 = 2,902.05/x
3. Step 3: Cross multiply
   7,059.78x = 10,590.90 × 2,902.05
4. Step 4: Simplify right side
   7,059.78x = 30,735,321.35
5. Step 5: Solve for x
   x = 30,735,321.35/7,059.78
6. Step 6: Final answer
   x = 4,353.58