Finding the Fourth Proportional to 7,002.95, 10,500.71 and 2,071.87

Step by Step Solution

1. Step 1: Write the proportion equation
   7,002.95 : 10,500.71 = 2,071.87 : x
2. Step 2: Convert to fraction form
   7,002.95/10,500.71 = 2,071.87/x
3. Step 3: Cross multiply
   7,002.95x = 10,500.71 × 2,071.87
4. Step 4: Simplify right side
   7,002.95x = 21,756,069.42
5. Step 5: Solve for x
   x = 21,756,069.42/7,002.95
6. Step 6: Final answer
   x = 3,106.70