Finding the Fourth Proportional to 1,291,179, 1,937,079.54 and 404,715

Step by Step Solution

1. Step 1: Write the proportion equation
   1,291,179 : 1,937,079.54 = 404,715 : x
2. Step 2: Convert to fraction form
   1,291,179/1,937,079.54 = 404,715/x
3. Step 3: Cross multiply
   1,291,179x = 1,937,079.54 × 404,715
4. Step 4: Simplify right side
   1,291,179x = 783,965,146,031.10
5. Step 5: Solve for x
   x = 783,965,146,031.10/1,291,179
6. Step 6: Final answer
   x = 607,169.99