Finding the Fourth Proportional to 34,870.85, 52,328.52 and 12,682.10

Step by Step Solution

1. Step 1: Write the proportion equation
   34,870.85 : 52,328.52 = 12,682.10 : x
2. Step 2: Convert to fraction form
   34,870.85/52,328.52 = 12,682.10/x
3. Step 3: Cross multiply
   34,870.85x = 52,328.52 × 12,682.10
4. Step 4: Simplify right side
   34,870.85x = 663,635,523.49
5. Step 5: Solve for x
   x = 663,635,523.49/34,870.85
6. Step 6: Final answer
   x = 19,031.24