Finding the Fourth Proportional to 9,611.52, 14,417.72 and 2,947.53

Step by Step Solution

1. Step 1: Write the proportion equation
   9,611.52 : 14,417.72 = 2,947.53 : x
2. Step 2: Convert to fraction form
   9,611.52/14,417.72 = 2,947.53/x
3. Step 3: Cross multiply
   9,611.52x = 14,417.72 × 2,947.53
4. Step 4: Simplify right side
   9,611.52x = 42,496,710.77
5. Step 5: Solve for x
   x = 42,496,710.77/9,611.52
6. Step 6: Final answer
   x = 4,421.43