Finding the Fourth Proportional to 9,635.59, 14,453.30 and 2,972.09

Step by Step Solution

1. Step 1: Write the proportion equation
   9,635.59 : 14,453.30 = 2,972.09 : x
2. Step 2: Convert to fraction form
   9,635.59/14,453.30 = 2,972.09/x
3. Step 3: Cross multiply
   9,635.59x = 14,453.30 × 2,972.09
4. Step 4: Simplify right side
   9,635.59x = 42,956,551.96
5. Step 5: Solve for x
   x = 42,956,551.96/9,635.59
6. Step 6: Final answer
   x = 4,458.11