Finding the Fourth Proportional to 1,403,551.76, 2,106,781.23 and 864,196.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,403,551.76 : 2,106,781.23 = 864,196.52 : x
2. Step 2: Convert to fraction form
   1,403,551.76/2,106,781.23 = 864,196.52/x
3. Step 3: Cross multiply
   1,403,551.76x = 2,106,781.23 × 864,196.52
4. Step 4: Simplify right side
   1,403,551.76x = 1,820,673,007,367.32
5. Step 5: Solve for x
   x = 1,820,673,007,367.32/1,403,551.76
6. Step 6: Final answer
   x = 1,297,189.79