Finding the Fourth Proportional to 32,667.92, 45,081.68 and 19,921.08

Step by Step Solution

1. Step 1: Write the proportion equation
   32,667.92 : 45,081.68 = 19,921.08 : x
2. Step 2: Convert to fraction form
   32,667.92/45,081.68 = 19,921.08/x
3. Step 3: Cross multiply
   32,667.92x = 45,081.68 × 19,921.08
4. Step 4: Simplify right side
   32,667.92x = 898,075,753.81
5. Step 5: Solve for x
   x = 898,075,753.81/32,667.92
6. Step 6: Final answer
   x = 27,491.06