Finding the Fourth Proportional to 32,738.31, 45,178.88 and 18,593.31

Step by Step Solution

1. Step 1: Write the proportion equation
   32,738.31 : 45,178.88 = 18,593.31 : x
2. Step 2: Convert to fraction form
   32,738.31/45,178.88 = 18,593.31/x
3. Step 3: Cross multiply
   32,738.31x = 45,178.88 × 18,593.31
4. Step 4: Simplify right side
   32,738.31x = 840,024,828.33
5. Step 5: Solve for x
   x = 840,024,828.33/32,738.31
6. Step 6: Final answer
   x = 25,658.77