Finding the Fourth Proportional to 9,045.96, 12,493.68 and 7,641.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,045.96 : 12,493.68 = 7,641.52 : x
2. Step 2: Convert to fraction form
   9,045.96/12,493.68 = 7,641.52/x
3. Step 3: Cross multiply
   9,045.96x = 12,493.68 × 7,641.52
4. Step 4: Simplify right side
   9,045.96x = 95,470,705.59
5. Step 5: Solve for x
   x = 95,470,705.59/9,045.96
6. Step 6: Final answer
   x = 10,553.96