Finding the Fourth Proportional to 9,045.64, 12,484.98 and 5,509

Step by Step Solution

1. Step 1: Write the proportion equation
   9,045.64 : 12,484.98 = 5,509 : x
2. Step 2: Convert to fraction form
   9,045.64/12,484.98 = 5,509/x
3. Step 3: Cross multiply
   9,045.64x = 12,484.98 × 5,509
4. Step 4: Simplify right side
   9,045.64x = 68,779,754.82
5. Step 5: Solve for x
   x = 68,779,754.82/9,045.64
6. Step 6: Final answer
   x = 7,603.64