Finding the Fourth Proportional to 2,817,945.80, 3,888,772.72 and 1,528,786.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,817,945.80 : 3,888,772.72 = 1,528,786.20 : x
2. Step 2: Convert to fraction form
   2,817,945.80/3,888,772.72 = 1,528,786.20/x
3. Step 3: Cross multiply
   2,817,945.80x = 3,888,772.72 × 1,528,786.20
4. Step 4: Simplify right side
   2,817,945.80x = 5,945,102,069,272.46
5. Step 5: Solve for x
   x = 5,945,102,069,272.46/2,817,945.80
6. Step 6: Final answer
   x = 2,109,729.03