Finding the Fourth Proportional to 10,300.74, 15,451.73 and 2,905.83

Step by Step Solution

1. Step 1: Write the proportion equation
   10,300.74 : 15,451.73 = 2,905.83 : x
2. Step 2: Convert to fraction form
   10,300.74/15,451.73 = 2,905.83/x
3. Step 3: Cross multiply
   10,300.74x = 15,451.73 × 2,905.83
4. Step 4: Simplify right side
   10,300.74x = 44,900,086.06
5. Step 5: Solve for x
   x = 44,900,086.06/10,300.74
6. Step 6: Final answer
   x = 4,358.92