Finding the Fourth Proportional to 10,870.53, 16,305.91 and 3,474.82

Step by Step Solution

1. Step 1: Write the proportion equation
   10,870.53 : 16,305.91 = 3,474.82 : x
2. Step 2: Convert to fraction form
   10,870.53/16,305.91 = 3,474.82/x
3. Step 3: Cross multiply
   10,870.53x = 16,305.91 × 3,474.82
4. Step 4: Simplify right side
   10,870.53x = 56,660,159.74
5. Step 5: Solve for x
   x = 56,660,159.74/10,870.53
6. Step 6: Final answer
   x = 5,212.27