Finding the Fourth Proportional to 3,654,548.76, 5,043,288.80 and 1,978,131.48

Step by Step Solution

1. Step 1: Write the proportion equation
   3,654,548.76 : 5,043,288.80 = 1,978,131.48 : x
2. Step 2: Convert to fraction form
   3,654,548.76/5,043,288.80 = 1,978,131.48/x
3. Step 3: Cross multiply
   3,654,548.76x = 5,043,288.80 × 1,978,131.48
4. Step 4: Simplify right side
   3,654,548.76x = 9,976,288,338,011.42
5. Step 5: Solve for x
   x = 9,976,288,338,011.42/3,654,548.76
6. Step 6: Final answer
   x = 2,729,827.67