Finding the Fourth Proportional to 9,828.58, 14,748.94 and 3,985.24

Step by Step Solution

1. Step 1: Write the proportion equation
   9,828.58 : 14,748.94 = 3,985.24 : x
2. Step 2: Convert to fraction form
   9,828.58/14,748.94 = 3,985.24/x
3. Step 3: Cross multiply
   9,828.58x = 14,748.94 × 3,985.24
4. Step 4: Simplify right side
   9,828.58x = 58,777,981.94
5. Step 5: Solve for x
   x = 58,777,981.94/9,828.58
6. Step 6: Final answer
   x = 5,980.32