Finding the Fourth Proportional to 1,079,071.98, 1,617,492.59 and 404,677.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,079,071.98 : 1,617,492.59 = 404,677.72 : x
2. Step 2: Convert to fraction form
   1,079,071.98/1,617,492.59 = 404,677.72/x
3. Step 3: Cross multiply
   1,079,071.98x = 1,617,492.59 × 404,677.72
4. Step 4: Simplify right side
   1,079,071.98x = 654,563,213,438.10
5. Step 5: Solve for x
   x = 654,563,213,438.10/1,079,071.98
6. Step 6: Final answer
   x = 606,598.29