Finding the Fourth Proportional to 3,534.34, 5,302.59 and 2,070.40

Step by Step Solution

1. Step 1: Write the proportion equation
   3,534.34 : 5,302.59 = 2,070.40 : x
2. Step 2: Convert to fraction form
   3,534.34/5,302.59 = 2,070.40/x
3. Step 3: Cross multiply
   3,534.34x = 5,302.59 × 2,070.40
4. Step 4: Simplify right side
   3,534.34x = 10,978,482.34
5. Step 5: Solve for x
   x = 10,978,482.34/3,534.34
6. Step 6: Final answer
   x = 3,106.23