Finding the Fourth Proportional to 33,320,987.48, 45,982,622.76 and 18,636,618.72

Step by Step Solution

1. Step 1: Write the proportion equation
   33,320,987.48 : 45,982,622.76 = 18,636,618.72 : x
2. Step 2: Convert to fraction form
   33,320,987.48/45,982,622.76 = 18,636,618.72/x
3. Step 3: Cross multiply
   33,320,987.48x = 45,982,622.76 × 18,636,618.72
4. Step 4: Simplify right side
   33,320,987.48x = 856,960,608,123,714
5. Step 5: Solve for x
   x = 856,960,608,123,714/33,320,987.48
6. Step 6: Final answer
   x = 25,718,343.69