Finding the Fourth Proportional to 31,077.10, 46,610.70 and 10,300.60

Step by Step Solution

1. Step 1: Write the proportion equation
   31,077.10 : 46,610.70 = 10,300.60 : x
2. Step 2: Convert to fraction form
   31,077.10/46,610.70 = 10,300.60/x
3. Step 3: Cross multiply
   31,077.10x = 46,610.70 × 10,300.60
4. Step 4: Simplify right side
   31,077.10x = 480,118,176.42
5. Step 5: Solve for x
   x = 480,118,176.42/31,077.10
6. Step 6: Final answer
   x = 15,449.26