Finding the Fourth Proportional to 11,837.78, 16,335.81 and 6,460.34

Step by Step Solution

1. Step 1: Write the proportion equation
   11,837.78 : 16,335.81 = 6,460.34 : x
2. Step 2: Convert to fraction form
   11,837.78/16,335.81 = 6,460.34/x
3. Step 3: Cross multiply
   11,837.78x = 16,335.81 × 6,460.34
4. Step 4: Simplify right side
   11,837.78x = 105,534,886.78
5. Step 5: Solve for x
   x = 105,534,886.78/11,837.78
6. Step 6: Final answer
   x = 8,915.09