Finding the Fourth Proportional to 15,978.73, 22,045.89 and 9,264.01

Step by Step Solution

1. Step 1: Write the proportion equation
   15,978.73 : 22,045.89 = 9,264.01 : x
2. Step 2: Convert to fraction form
   15,978.73/22,045.89 = 9,264.01/x
3. Step 3: Cross multiply
   15,978.73x = 22,045.89 × 9,264.01
4. Step 4: Simplify right side
   15,978.73x = 204,233,345.42
5. Step 5: Solve for x
   x = 204,233,345.42/15,978.73
6. Step 6: Final answer
   x = 12,781.58