Finding the Fourth Proportional to 2,085,644, 2,878,188.72 and 1,131,788

Step by Step Solution

1. Step 1: Write the proportion equation
   2,085,644 : 2,878,188.72 = 1,131,788 : x
2. Step 2: Convert to fraction form
   2,085,644/2,878,188.72 = 1,131,788/x
3. Step 3: Cross multiply
   2,085,644x = 2,878,188.72 × 1,131,788
4. Step 4: Simplify right side
   2,085,644x = 3,257,499,455,031.36
5. Step 5: Solve for x
   x = 3,257,499,455,031.36/2,085,644
6. Step 6: Final answer
   x = 1,561,867.44