Finding the Fourth Proportional to 22,300.04, 30,774.30 and 12,741.20

Step by Step Solution

1. Step 1: Write the proportion equation
   22,300.04 : 30,774.30 = 12,741.20 : x
2. Step 2: Convert to fraction form
   22,300.04/30,774.30 = 12,741.20/x
3. Step 3: Cross multiply
   22,300.04x = 30,774.30 × 12,741.20
4. Step 4: Simplify right side
   22,300.04x = 392,101,511.16
5. Step 5: Solve for x
   x = 392,101,511.16/22,300.04
6. Step 6: Final answer
   x = 17,583.00