Finding the Fourth Proportional to 10,300.28, 15,449.01 and 2,905.32

Step by Step Solution

1. Step 1: Write the proportion equation
   10,300.28 : 15,449.01 = 2,905.32 : x
2. Step 2: Convert to fraction form
   10,300.28/15,449.01 = 2,905.32/x
3. Step 3: Cross multiply
   10,300.28x = 15,449.01 × 2,905.32
4. Step 4: Simplify right side
   10,300.28x = 44,884,317.73
5. Step 5: Solve for x
   x = 44,884,317.73/10,300.28
6. Step 6: Final answer
   x = 4,357.58