Finding the Fourth Proportional to 32,609.98, 45,038.73 and 21,981.34

Step by Step Solution

1. Step 1: Write the proportion equation
   32,609.98 : 45,038.73 = 21,981.34 : x
2. Step 2: Convert to fraction form
   32,609.98/45,038.73 = 21,981.34/x
3. Step 3: Cross multiply
   32,609.98x = 45,038.73 × 21,981.34
4. Step 4: Simplify right side
   32,609.98x = 990,011,637.30
5. Step 5: Solve for x
   x = 990,011,637.30/32,609.98
6. Step 6: Final answer
   x = 30,359.16