Finding the Fourth Proportional to 1,686,300.27, 2,528,203.82 and 875,520.60

Step by Step Solution

1. Step 1: Write the proportion equation
   1,686,300.27 : 2,528,203.82 = 875,520.60 : x
2. Step 2: Convert to fraction form
   1,686,300.27/2,528,203.82 = 875,520.60/x
3. Step 3: Cross multiply
   1,686,300.27x = 2,528,203.82 × 875,520.60
4. Step 4: Simplify right side
   1,686,300.27x = 2,213,494,514,012.81
5. Step 5: Solve for x
   x = 2,213,494,514,012.81/1,686,300.27
6. Step 6: Final answer
   x = 1,312,633.67