Finding the Fourth Proportional to 9,870.53, 14,811.64 and 3,634.92

Step by Step Solution

1. Step 1: Write the proportion equation
   9,870.53 : 14,811.64 = 3,634.92 : x
2. Step 2: Convert to fraction form
   9,870.53/14,811.64 = 3,634.92/x
3. Step 3: Cross multiply
   9,870.53x = 14,811.64 × 3,634.92
4. Step 4: Simplify right side
   9,870.53x = 53,839,117.38
5. Step 5: Solve for x
   x = 53,839,117.38/9,870.53
6. Step 6: Final answer
   x = 5,454.53