Finding the Fourth Proportional to 9,603.72, 14,407.55 and 5,445.59

Step by Step Solution

1. Step 1: Write the proportion equation
   9,603.72 : 14,407.55 = 5,445.59 : x
2. Step 2: Convert to fraction form
   9,603.72/14,407.55 = 5,445.59/x
3. Step 3: Cross multiply
   9,603.72x = 14,407.55 × 5,445.59
4. Step 4: Simplify right side
   9,603.72x = 78,457,510.94
5. Step 5: Solve for x
   x = 78,457,510.94/9,603.72
6. Step 6: Final answer
   x = 8,169.49