Finding the Fourth Proportional to 32,782.72, 45,238.80 and 17,878.72

Step by Step Solution

1. Step 1: Write the proportion equation
   32,782.72 : 45,238.80 = 17,878.72 : x
2. Step 2: Convert to fraction form
   32,782.72/45,238.80 = 17,878.72/x
3. Step 3: Cross multiply
   32,782.72x = 45,238.80 × 17,878.72
4. Step 4: Simplify right side
   32,782.72x = 808,811,838.34
5. Step 5: Solve for x
   x = 808,811,838.34/32,782.72
6. Step 6: Final answer
   x = 24,671.90