Finding the Fourth Proportional to 33,035.67, 45,570.15 and 21,085.54

Step by Step Solution

1. Step 1: Write the proportion equation
   33,035.67 : 45,570.15 = 21,085.54 : x
2. Step 2: Convert to fraction form
   33,035.67/45,570.15 = 21,085.54/x
3. Step 3: Cross multiply
   33,035.67x = 45,570.15 × 21,085.54
4. Step 4: Simplify right side
   33,035.67x = 960,871,106.71
5. Step 5: Solve for x
   x = 960,871,106.71/33,035.67
6. Step 6: Final answer
   x = 29,085.87