Finding the Fourth Proportional to 1,049,164.90, 1,574,136.15 and 339,216.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,049,164.90 : 1,574,136.15 = 339,216.10 : x
2. Step 2: Convert to fraction form
   1,049,164.90/1,574,136.15 = 339,216.10/x
3. Step 3: Cross multiply
   1,049,164.90x = 1,574,136.15 × 339,216.10
4. Step 4: Simplify right side
   1,049,164.90x = 533,972,325,672.02
5. Step 5: Solve for x
   x = 533,972,325,672.02/1,049,164.90
6. Step 6: Final answer
   x = 508,949.86