Finding the Fourth Proportional to 1,499,259.36, 2,068,464.52 and 1,223,136.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499,259.36 : 2,068,464.52 = 1,223,136.08 : x
2. Step 2: Convert to fraction form
   1,499,259.36/2,068,464.52 = 1,223,136.08/x
3. Step 3: Cross multiply
   1,499,259.36x = 2,068,464.52 × 1,223,136.08
4. Step 4: Simplify right side
   1,499,259.36x = 2,530,013,584,611.88
5. Step 5: Solve for x
   x = 2,530,013,584,611.88/1,499,259.36
6. Step 6: Final answer
   x = 1,687,508.95