Finding the Fourth Proportional to 15,057.06, 22,587.13 and 5,196.31

Step by Step Solution

1. Step 1: Write the proportion equation
   15,057.06 : 22,587.13 = 5,196.31 : x
2. Step 2: Convert to fraction form
   15,057.06/22,587.13 = 5,196.31/x
3. Step 3: Cross multiply
   15,057.06x = 22,587.13 × 5,196.31
4. Step 4: Simplify right side
   15,057.06x = 117,369,729.49
5. Step 5: Solve for x
   x = 117,369,729.49/15,057.06
6. Step 6: Final answer
   x = 7,795.00