Finding the Fourth Proportional to 1,566,150.72, 2,160,774 and 877,722

Step by Step Solution

1. Step 1: Write the proportion equation
   1,566,150.72 : 2,160,774 = 877,722 : x
2. Step 2: Convert to fraction form
   1,566,150.72/2,160,774 = 877,722/x
3. Step 3: Cross multiply
   1,566,150.72x = 2,160,774 × 877,722
4. Step 4: Simplify right side
   1,566,150.72x = 1,896,558,876,828
5. Step 5: Solve for x
   x = 1,896,558,876,828/1,566,150.72
6. Step 6: Final answer
   x = 1,210,968.30