Finding the Fourth Proportional to 1,078,796.71, 1,617,774.06 and 404,510.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,078,796.71 : 1,617,774.06 = 404,510.18 : x
2. Step 2: Convert to fraction form
   1,078,796.71/1,617,774.06 = 404,510.18/x
3. Step 3: Cross multiply
   1,078,796.71x = 1,617,774.06 × 404,510.18
4. Step 4: Simplify right side
   1,078,796.71x = 654,406,076,209.93
5. Step 5: Solve for x
   x = 654,406,076,209.93/1,078,796.71
6. Step 6: Final answer
   x = 606,607.41