Finding the Fourth Proportional to 9,870.67, 14,811.84 and 3,635.07

Step by Step Solution

1. Step 1: Write the proportion equation
   9,870.67 : 14,811.84 = 3,635.07 : x
2. Step 2: Convert to fraction form
   9,870.67/14,811.84 = 3,635.07/x
3. Step 3: Cross multiply
   9,870.67x = 14,811.84 × 3,635.07
4. Step 4: Simplify right side
   9,870.67x = 53,842,019.68
5. Step 5: Solve for x
   x = 53,842,019.68/9,870.67
6. Step 6: Final answer
   x = 5,454.75