Finding the Fourth Proportional to 12,169.91, 18,256.15 and 5,053.34

Step by Step Solution

1. Step 1: Write the proportion equation
   12,169.91 : 18,256.15 = 5,053.34 : x
2. Step 2: Convert to fraction form
   12,169.91/18,256.15 = 5,053.34/x
3. Step 3: Cross multiply
   12,169.91x = 18,256.15 × 5,053.34
4. Step 4: Simplify right side
   12,169.91x = 92,254,533.04
5. Step 5: Solve for x
   x = 92,254,533.04/12,169.91
6. Step 6: Final answer
   x = 7,580.54