Finding the Fourth Proportional to 1,017,355.48, 1,404,096.80 and 609,474.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,017,355.48 : 1,404,096.80 = 609,474.72 : x
2. Step 2: Convert to fraction form
   1,017,355.48/1,404,096.80 = 609,474.72/x
3. Step 3: Cross multiply
   1,017,355.48x = 1,404,096.80 × 609,474.72
4. Step 4: Simplify right side
   1,017,355.48x = 855,761,504,032.90
5. Step 5: Solve for x
   x = 855,761,504,032.90/1,017,355.48
6. Step 6: Final answer
   x = 841,162.72