Finding the Fourth Proportional to 9,906.26, 14,862.56 and 2,886.69

Step by Step Solution

1. Step 1: Write the proportion equation
   9,906.26 : 14,862.56 = 2,886.69 : x
2. Step 2: Convert to fraction form
   9,906.26/14,862.56 = 2,886.69/x
3. Step 3: Cross multiply
   9,906.26x = 14,862.56 × 2,886.69
4. Step 4: Simplify right side
   9,906.26x = 42,903,588.89
5. Step 5: Solve for x
   x = 42,903,588.89/9,906.26
6. Step 6: Final answer
   x = 4,330.96