Finding the Fourth Proportional to 32,978.52, 45,518.63 and 18,839.57

Step by Step Solution

1. Step 1: Write the proportion equation
   32,978.52 : 45,518.63 = 18,839.57 : x
2. Step 2: Convert to fraction form
   32,978.52/45,518.63 = 18,839.57/x
3. Step 3: Cross multiply
   32,978.52x = 45,518.63 × 18,839.57
4. Step 4: Simplify right side
   32,978.52x = 857,551,094.40
5. Step 5: Solve for x
   x = 857,551,094.40/32,978.52
6. Step 6: Final answer
   x = 26,003.32