Finding the Fourth Proportional to 10,508.01, 15,765.42 and 3,112.59

Step by Step Solution

1. Step 1: Write the proportion equation
   10,508.01 : 15,765.42 = 3,112.59 : x
2. Step 2: Convert to fraction form
   10,508.01/15,765.42 = 3,112.59/x
3. Step 3: Cross multiply
   10,508.01x = 15,765.42 × 3,112.59
4. Step 4: Simplify right side
   10,508.01x = 49,071,288.64
5. Step 5: Solve for x
   x = 49,071,288.64/10,508.01
6. Step 6: Final answer
   x = 4,669.89