Finding the Fourth Proportional to 9,897.63, 14,847.43 and 2,877.71

Step by Step Solution

1. Step 1: Write the proportion equation
   9,897.63 : 14,847.43 = 2,877.71 : x
2. Step 2: Convert to fraction form
   9,897.63/14,847.43 = 2,877.71/x
3. Step 3: Cross multiply
   9,897.63x = 14,847.43 × 2,877.71
4. Step 4: Simplify right side
   9,897.63x = 42,726,597.79
5. Step 5: Solve for x
   x = 42,726,597.79/9,897.63
6. Step 6: Final answer
   x = 4,316.85