Finding the Fourth Proportional to 32,742.43, 49,030.20 and 21,615.15

Step by Step Solution

1. Step 1: Write the proportion equation
   32,742.43 : 49,030.20 = 21,615.15 : x
2. Step 2: Convert to fraction form
   32,742.43/49,030.20 = 21,615.15/x
3. Step 3: Cross multiply
   32,742.43x = 49,030.20 × 21,615.15
4. Step 4: Simplify right side
   32,742.43x = 1,059,795,127.53
5. Step 5: Solve for x
   x = 1,059,795,127.53/32,742.43
6. Step 6: Final answer
   x = 32,367.64