Finding the Fourth Proportional to 11,885.52, 16,404.62 and 7,853.01

Step by Step Solution

1. Step 1: Write the proportion equation
   11,885.52 : 16,404.62 = 7,853.01 : x
2. Step 2: Convert to fraction form
   11,885.52/16,404.62 = 7,853.01/x
3. Step 3: Cross multiply
   11,885.52x = 16,404.62 × 7,853.01
4. Step 4: Simplify right side
   11,885.52x = 128,825,644.91
5. Step 5: Solve for x
   x = 128,825,644.91/11,885.52
6. Step 6: Final answer
   x = 10,838.87