Finding the Fourth Proportional to 1,389,857.32, 1,917,012.72 and 846,027.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,389,857.32 : 1,917,012.72 = 846,027.82 : x
2. Step 2: Convert to fraction form
   1,389,857.32/1,917,012.72 = 846,027.82/x
3. Step 3: Cross multiply
   1,389,857.32x = 1,917,012.72 × 846,027.82
4. Step 4: Simplify right side
   1,389,857.32x = 1,621,846,092,413.87
5. Step 5: Solve for x
   x = 1,621,846,092,413.87/1,389,857.32
6. Step 6: Final answer
   x = 1,166,915.53