Finding the Fourth Proportional to 33,100.48, 45,678.72 and 18,196.48

Step by Step Solution

1. Step 1: Write the proportion equation
   33,100.48 : 45,678.72 = 18,196.48 : x
2. Step 2: Convert to fraction form
   33,100.48/45,678.72 = 18,196.48/x
3. Step 3: Cross multiply
   33,100.48x = 45,678.72 × 18,196.48
4. Step 4: Simplify right side
   33,100.48x = 831,191,914.91
5. Step 5: Solve for x
   x = 831,191,914.91/33,100.48
6. Step 6: Final answer
   x = 25,111.17