Finding the Fourth Proportional to 1,507,543.83, 2,080,538.02 and 828,621.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,507,543.83 : 2,080,538.02 = 828,621.27 : x
2. Step 2: Convert to fraction form
   1,507,543.83/2,080,538.02 = 828,621.27/x
3. Step 3: Cross multiply
   1,507,543.83x = 2,080,538.02 × 828,621.27
4. Step 4: Simplify right side
   1,507,543.83x = 1,723,978,056,415.69
5. Step 5: Solve for x
   x = 1,723,978,056,415.69/1,507,543.83
6. Step 6: Final answer
   x = 1,143,567.45