Finding the Fourth Proportional to 10,354.37, 15,528.96 and 2,958.89

Step by Step Solution

1. Step 1: Write the proportion equation
   10,354.37 : 15,528.96 = 2,958.89 : x
2. Step 2: Convert to fraction form
   10,354.37/15,528.96 = 2,958.89/x
3. Step 3: Cross multiply
   10,354.37x = 15,528.96 × 2,958.89
4. Step 4: Simplify right side
   10,354.37x = 45,948,406.81
5. Step 5: Solve for x
   x = 45,948,406.81/10,354.37
6. Step 6: Final answer
   x = 4,437.59