Finding the Fourth Proportional to 7,061.16, 10,591.28 and 2,900.09

Step by Step Solution

1. Step 1: Write the proportion equation
   7,061.16 : 10,591.28 = 2,900.09 : x
2. Step 2: Convert to fraction form
   7,061.16/10,591.28 = 2,900.09/x
3. Step 3: Cross multiply
   7,061.16x = 10,591.28 × 2,900.09
4. Step 4: Simplify right side
   7,061.16x = 30,715,597.76
5. Step 5: Solve for x
   x = 30,715,597.76/7,061.16
6. Step 6: Final answer
   x = 4,349.94