Finding the Fourth Proportional to 22,051.16, 30,433.20 and 13,098.69

Step by Step Solution

1. Step 1: Write the proportion equation
   22,051.16 : 30,433.20 = 13,098.69 : x
2. Step 2: Convert to fraction form
   22,051.16/30,433.20 = 13,098.69/x
3. Step 3: Cross multiply
   22,051.16x = 30,433.20 × 13,098.69
4. Step 4: Simplify right side
   22,051.16x = 398,635,215.75
5. Step 5: Solve for x
   x = 398,635,215.75/22,051.16
6. Step 6: Final answer
   x = 18,077.75