Finding the Fourth Proportional to 7,011.34, 10,521.26 and 3,116.05

Step by Step Solution

1. Step 1: Write the proportion equation
   7,011.34 : 10,521.26 = 3,116.05 : x
2. Step 2: Convert to fraction form
   7,011.34/10,521.26 = 3,116.05/x
3. Step 3: Cross multiply
   7,011.34x = 10,521.26 × 3,116.05
4. Step 4: Simplify right side
   7,011.34x = 32,784,772.22
5. Step 5: Solve for x
   x = 32,784,772.22/7,011.34
6. Step 6: Final answer
   x = 4,675.96