Finding the Fourth Proportional to 9,899.04, 14,845.96 and 2,877.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,899.04 : 14,845.96 = 2,877.18 : x
2. Step 2: Convert to fraction form
   9,899.04/14,845.96 = 2,877.18/x
3. Step 3: Cross multiply
   9,899.04x = 14,845.96 × 2,877.18
4. Step 4: Simplify right side
   9,899.04x = 42,714,499.19
5. Step 5: Solve for x
   x = 42,714,499.19/9,899.04
6. Step 6: Final answer
   x = 4,315.01