Finding the Fourth Proportional to 10,975.57, 16,460.42 and 3,077.65

Step by Step Solution

1. Step 1: Write the proportion equation
   10,975.57 : 16,460.42 = 3,077.65 : x
2. Step 2: Convert to fraction form
   10,975.57/16,460.42 = 3,077.65/x
3. Step 3: Cross multiply
   10,975.57x = 16,460.42 × 3,077.65
4. Step 4: Simplify right side
   10,975.57x = 50,659,411.61
5. Step 5: Solve for x
   x = 50,659,411.61/10,975.57
6. Step 6: Final answer
   x = 4,615.65