Finding the Fourth Proportional to 1,497,139.56, 2,245,111.56 and 866,496.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,497,139.56 : 2,245,111.56 = 866,496.24 : x
2. Step 2: Convert to fraction form
   1,497,139.56/2,245,111.56 = 866,496.24/x
3. Step 3: Cross multiply
   1,497,139.56x = 2,245,111.56 × 866,496.24
4. Step 4: Simplify right side
   1,497,139.56x = 1,945,380,725,120.53
5. Step 5: Solve for x
   x = 1,945,380,725,120.53/1,497,139.56
6. Step 6: Final answer
   x = 1,299,398.38