Finding the Fourth Proportional to 1,131,974.32, 1,562,098.52 and 622,665.84

Step by Step Solution

1. Step 1: Write the proportion equation
   1,131,974.32 : 1,562,098.52 = 622,665.84 : x
2. Step 2: Convert to fraction form
   1,131,974.32/1,562,098.52 = 622,665.84/x
3. Step 3: Cross multiply
   1,131,974.32x = 1,562,098.52 × 622,665.84
4. Step 4: Simplify right side
   1,131,974.32x = 972,665,387,118.56
5. Step 5: Solve for x
   x = 972,665,387,118.56/1,131,974.32
6. Step 6: Final answer
   x = 859,264.53