Finding the Fourth Proportional to 12,277.71, 16,938.09 and 7,559.25

Step by Step Solution

1. Step 1: Write the proportion equation
   12,277.71 : 16,938.09 = 7,559.25 : x
2. Step 2: Convert to fraction form
   12,277.71/16,938.09 = 7,559.25/x
3. Step 3: Cross multiply
   12,277.71x = 16,938.09 × 7,559.25
4. Step 4: Simplify right side
   12,277.71x = 128,039,256.83
5. Step 5: Solve for x
   x = 128,039,256.83/12,277.71
6. Step 6: Final answer
   x = 10,428.59