Finding the Fourth Proportional to 33,103.53, 45,667.53 and 18,948.78

Step by Step Solution

1. Step 1: Write the proportion equation
   33,103.53 : 45,667.53 = 18,948.78 : x
2. Step 2: Convert to fraction form
   33,103.53/45,667.53 = 18,948.78/x
3. Step 3: Cross multiply
   33,103.53x = 45,667.53 × 18,948.78
4. Step 4: Simplify right side
   33,103.53x = 865,343,979.11
5. Step 5: Solve for x
   x = 865,343,979.11/33,103.53
6. Step 6: Final answer
   x = 26,140.53