Finding the Fourth Proportional to 33,047,128.38, 45,590,890.86 and 20,635,674.42

Step by Step Solution

1. Step 1: Write the proportion equation
   33,047,128.38 : 45,590,890.86 = 20,635,674.42 : x
2. Step 2: Convert to fraction form
   33,047,128.38/45,590,890.86 = 20,635,674.42/x
3. Step 3: Cross multiply
   33,047,128.38x = 45,590,890.86 × 20,635,674.42
4. Step 4: Simplify right side
   33,047,128.38x = 940,798,780,304,713.88
5. Step 5: Solve for x
   x = 940,798,780,304,713.88/33,047,128.38
6. Step 6: Final answer
   x = 28,468,397.30