Finding the Fourth Proportional to 22,100.96, 30,458.72 and 20,698.08

Step by Step Solution

1. Step 1: Write the proportion equation
   22,100.96 : 30,458.72 = 20,698.08 : x
2. Step 2: Convert to fraction form
   22,100.96/30,458.72 = 20,698.08/x
3. Step 3: Cross multiply
   22,100.96x = 30,458.72 × 20,698.08
4. Step 4: Simplify right side
   22,100.96x = 630,437,023.26
5. Step 5: Solve for x
   x = 630,437,023.26/22,100.96
6. Step 6: Final answer
   x = 28,525.32