Finding the Fourth Proportional to 9,899.51, 14,845.82 and 2,877.62

Step by Step Solution

1. Step 1: Write the proportion equation
   9,899.51 : 14,845.82 = 2,877.62 : x
2. Step 2: Convert to fraction form
   9,899.51/14,845.82 = 2,877.62/x
3. Step 3: Cross multiply
   9,899.51x = 14,845.82 × 2,877.62
4. Step 4: Simplify right side
   9,899.51x = 42,720,539.93
5. Step 5: Solve for x
   x = 42,720,539.93/9,899.51
6. Step 6: Final answer
   x = 4,315.42