Finding the Fourth Proportional to 9,897.15, 14,843.46 and 2,877.15

Step by Step Solution

1. Step 1: Write the proportion equation
   9,897.15 : 14,843.46 = 2,877.15 : x
2. Step 2: Convert to fraction form
   9,897.15/14,843.46 = 2,877.15/x
3. Step 3: Cross multiply
   9,897.15x = 14,843.46 × 2,877.15
4. Step 4: Simplify right side
   9,897.15x = 42,706,860.94
5. Step 5: Solve for x
   x = 42,706,860.94/9,897.15
6. Step 6: Final answer
   x = 4,315.07