Finding the Fourth Proportional to 10,949.23, 16,423.72 and 7,430.52

Step by Step Solution

1. Step 1: Write the proportion equation
   10,949.23 : 16,423.72 = 7,430.52 : x
2. Step 2: Convert to fraction form
   10,949.23/16,423.72 = 7,430.52/x
3. Step 3: Cross multiply
   10,949.23x = 16,423.72 × 7,430.52
4. Step 4: Simplify right side
   10,949.23x = 122,036,779.93
5. Step 5: Solve for x
   x = 122,036,779.93/10,949.23
6. Step 6: Final answer
   x = 11,145.70