Finding the Fourth Proportional to 33,061.60, 45,625.20 and 18,915.04

Step by Step Solution

1. Step 1: Write the proportion equation
   33,061.60 : 45,625.20 = 18,915.04 : x
2. Step 2: Convert to fraction form
   33,061.60/45,625.20 = 18,915.04/x
3. Step 3: Cross multiply
   33,061.60x = 45,625.20 × 18,915.04
4. Step 4: Simplify right side
   33,061.60x = 863,002,483.01
5. Step 5: Solve for x
   x = 863,002,483.01/33,061.60
6. Step 6: Final answer
   x = 26,102.87