Finding the Fourth Proportional to 10,300.53, 15,449.43 and 2,905.59

Step by Step Solution

1. Step 1: Write the proportion equation
   10,300.53 : 15,449.43 = 2,905.59 : x
2. Step 2: Convert to fraction form
   10,300.53/15,449.43 = 2,905.59/x
3. Step 3: Cross multiply
   10,300.53x = 15,449.43 × 2,905.59
4. Step 4: Simplify right side
   10,300.53x = 44,889,709.31
5. Step 5: Solve for x
   x = 44,889,709.31/10,300.53
6. Step 6: Final answer
   x = 4,358.00