Finding the Fourth Proportional to 35,548,096.78, 49,042,484.85 and 20,660,947.18

Step by Step Solution

1. Step 1: Write the proportion equation
   35,548,096.78 : 49,042,484.85 = 20,660,947.18 : x
2. Step 2: Convert to fraction form
   35,548,096.78/49,042,484.85 = 20,660,947.18/x
3. Step 3: Cross multiply
   35,548,096.78x = 49,042,484.85 × 20,660,947.18
4. Step 4: Simplify right side
   35,548,096.78x = 1,013,264,189,061,800.25
5. Step 5: Solve for x
   x = 1,013,264,189,061,800.25/35,548,096.78
6. Step 6: Final answer
   x = 28,504,034.84