Finding the Fourth Proportional to 12,954.52, 17,877 and 7,917.94

Step by Step Solution

1. Step 1: Write the proportion equation
   12,954.52 : 17,877 = 7,917.94 : x
2. Step 2: Convert to fraction form
   12,954.52/17,877 = 7,917.94/x
3. Step 3: Cross multiply
   12,954.52x = 17,877 × 7,917.94
4. Step 4: Simplify right side
   12,954.52x = 141,549,013.38
5. Step 5: Solve for x
   x = 141,549,013.38/12,954.52
6. Step 6: Final answer
   x = 10,926.61