Finding the Fourth Proportional to 32,699.32, 45,138.78 and 22,103.31

Step by Step Solution

1. Step 1: Write the proportion equation
   32,699.32 : 45,138.78 = 22,103.31 : x
2. Step 2: Convert to fraction form
   32,699.32/45,138.78 = 22,103.31/x
3. Step 3: Cross multiply
   32,699.32x = 45,138.78 × 22,103.31
4. Step 4: Simplify right side
   32,699.32x = 997,716,300.56
5. Step 5: Solve for x
   x = 997,716,300.56/32,699.32
6. Step 6: Final answer
   x = 30,511.83