Finding the Fourth Proportional to 72,390.84, 108,637.56 and 32,953.02

Step by Step Solution

1. Step 1: Write the proportion equation
   72,390.84 : 108,637.56 = 32,953.02 : x
2. Step 2: Convert to fraction form
   72,390.84/108,637.56 = 32,953.02/x
3. Step 3: Cross multiply
   72,390.84x = 108,637.56 × 32,953.02
4. Step 4: Simplify right side
   72,390.84x = 3,579,935,687.43
5. Step 5: Solve for x
   x = 3,579,935,687.43/72,390.84
6. Step 6: Final answer
   x = 49,452.88