Finding the Fourth Proportional to 1,151,067.72, 1,588,568.16 and 634,922.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,151,067.72 : 1,588,568.16 = 634,922.76 : x
2. Step 2: Convert to fraction form
   1,151,067.72/1,588,568.16 = 634,922.76/x
3. Step 3: Cross multiply
   1,151,067.72x = 1,588,568.16 × 634,922.76
4. Step 4: Simplify right side
   1,151,067.72x = 1,008,618,080,595.32
5. Step 5: Solve for x
   x = 1,008,618,080,595.32/1,151,067.72
6. Step 6: Final answer
   x = 876,245.65