Finding the Fourth Proportional to 9,607.44, 14,385.20 and 4,980.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,607.44 : 14,385.20 = 4,980.72 : x
2. Step 2: Convert to fraction form
   9,607.44/14,385.20 = 4,980.72/x
3. Step 3: Cross multiply
   9,607.44x = 14,385.20 × 4,980.72
4. Step 4: Simplify right side
   9,607.44x = 71,648,653.34
5. Step 5: Solve for x
   x = 71,648,653.34/9,607.44
6. Step 6: Final answer
   x = 7,457.62