Finding the Fourth Proportional to 32,969.61, 45,513.78 and 18,819.72

Step by Step Solution

1. Step 1: Write the proportion equation
   32,969.61 : 45,513.78 = 18,819.72 : x
2. Step 2: Convert to fraction form
   32,969.61/45,513.78 = 18,819.72/x
3. Step 3: Cross multiply
   32,969.61x = 45,513.78 × 18,819.72
4. Step 4: Simplify right side
   32,969.61x = 856,556,595.74
5. Step 5: Solve for x
   x = 856,556,595.74/32,969.61
6. Step 6: Final answer
   x = 25,980.19