Finding the Fourth Proportional to 12,877.33, 19,302.86 and 7,246.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,877.33 : 19,302.86 = 7,246.72 : x
2. Step 2: Convert to fraction form
   12,877.33/19,302.86 = 7,246.72/x
3. Step 3: Cross multiply
   12,877.33x = 19,302.86 × 7,246.72
4. Step 4: Simplify right side
   12,877.33x = 139,882,314.52
5. Step 5: Solve for x
   x = 139,882,314.52/12,877.33
6. Step 6: Final answer
   x = 10,862.68