Finding the Fourth Proportional to 9,857.52, 14,773.20 and 3,611.76

Step by Step Solution

1. Step 1: Write the proportion equation
   9,857.52 : 14,773.20 = 3,611.76 : x
2. Step 2: Convert to fraction form
   9,857.52/14,773.20 = 3,611.76/x
3. Step 3: Cross multiply
   9,857.52x = 14,773.20 × 3,611.76
4. Step 4: Simplify right side
   9,857.52x = 53,357,252.83
5. Step 5: Solve for x
   x = 53,357,252.83/9,857.52
6. Step 6: Final answer
   x = 5,412.85