Finding the Fourth Proportional to 9,875.69, 14,806.62 and 3,634.90

Step by Step Solution

1. Step 1: Write the proportion equation
   9,875.69 : 14,806.62 = 3,634.90 : x
2. Step 2: Convert to fraction form
   9,875.69/14,806.62 = 3,634.90/x
3. Step 3: Cross multiply
   9,875.69x = 14,806.62 × 3,634.90
4. Step 4: Simplify right side
   9,875.69x = 53,820,525.07
5. Step 5: Solve for x
   x = 53,820,525.07/9,875.69
6. Step 6: Final answer
   x = 5,449.80