Finding the Fourth Proportional to 22,038.64, 30,404.72 and 12,602.16

Step by Step Solution

1. Step 1: Write the proportion equation
   22,038.64 : 30,404.72 = 12,602.16 : x
2. Step 2: Convert to fraction form
   22,038.64/30,404.72 = 12,602.16/x
3. Step 3: Cross multiply
   22,038.64x = 30,404.72 × 12,602.16
4. Step 4: Simplify right side
   22,038.64x = 383,165,146.20
5. Step 5: Solve for x
   x = 383,165,146.20/22,038.64
6. Step 6: Final answer
   x = 17,386.06