Finding the Fourth Proportional to 9,109.48, 13,666.14 and 2,953

Step by Step Solution

1. Step 1: Write the proportion equation
   9,109.48 : 13,666.14 = 2,953 : x
2. Step 2: Convert to fraction form
   9,109.48/13,666.14 = 2,953/x
3. Step 3: Cross multiply
   9,109.48x = 13,666.14 × 2,953
4. Step 4: Simplify right side
   9,109.48x = 40,356,111.42
5. Step 5: Solve for x
   x = 40,356,111.42/9,109.48
6. Step 6: Final answer
   x = 4,430.12