Finding the Fourth Proportional to 33,178,878.09, 45,786,196.56 and 18,493,668.81

Step by Step Solution

1. Step 1: Write the proportion equation
   33,178,878.09 : 45,786,196.56 = 18,493,668.81 : x
2. Step 2: Convert to fraction form
   33,178,878.09/45,786,196.56 = 18,493,668.81/x
3. Step 3: Cross multiply
   33,178,878.09x = 45,786,196.56 × 18,493,668.81
4. Step 4: Simplify right side
   33,178,878.09x = 846,754,755,250,201.25
5. Step 5: Solve for x
   x = 846,754,755,250,201.25/33,178,878.09
6. Step 6: Final answer
   x = 25,520,897.75