Finding the Fourth Proportional to 9,898.16, 14,844.81 and 2,877.98

Step by Step Solution

1. Step 1: Write the proportion equation
   9,898.16 : 14,844.81 = 2,877.98 : x
2. Step 2: Convert to fraction form
   9,898.16/14,844.81 = 2,877.98/x
3. Step 3: Cross multiply
   9,898.16x = 14,844.81 × 2,877.98
4. Step 4: Simplify right side
   9,898.16x = 42,723,066.28
5. Step 5: Solve for x
   x = 42,723,066.28/9,898.16
6. Step 6: Final answer
   x = 4,316.26