Finding the Fourth Proportional to 32,619.76, 45,012.72 and 19,191.52

Step by Step Solution

1. Step 1: Write the proportion equation
   32,619.76 : 45,012.72 = 19,191.52 : x
2. Step 2: Convert to fraction form
   32,619.76/45,012.72 = 19,191.52/x
3. Step 3: Cross multiply
   32,619.76x = 45,012.72 × 19,191.52
4. Step 4: Simplify right side
   32,619.76x = 863,862,516.13
5. Step 5: Solve for x
   x = 863,862,516.13/32,619.76
6. Step 6: Final answer
   x = 26,482.80