Finding the Fourth Proportional to 3,739,608.79, 5,160,659.91 and 2,020,729.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,739,608.79 : 5,160,659.91 = 2,020,729.25 : x
2. Step 2: Convert to fraction form
   3,739,608.79/5,160,659.91 = 2,020,729.25/x
3. Step 3: Cross multiply
   3,739,608.79x = 5,160,659.91 × 2,020,729.25
4. Step 4: Simplify right side
   3,739,608.79x = 10,428,296,429,439.37
5. Step 5: Solve for x
   x = 10,428,296,429,439.37/3,739,608.79
6. Step 6: Final answer
   x = 2,788,606.25