Finding the Fourth Proportional to 13,277.02, 18,322.52 and 7,612.69

Step by Step Solution

1. Step 1: Write the proportion equation
   13,277.02 : 18,322.52 = 7,612.69 : x
2. Step 2: Convert to fraction form
   13,277.02/18,322.52 = 7,612.69/x
3. Step 3: Cross multiply
   13,277.02x = 18,322.52 × 7,612.69
4. Step 4: Simplify right side
   13,277.02x = 139,483,580.91
5. Step 5: Solve for x
   x = 139,483,580.91/13,277.02
6. Step 6: Final answer
   x = 10,505.64