Finding the Fourth Proportional to 1,093,406.72, 1,508,714.37 and 634,416.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,093,406.72 : 1,508,714.37 = 634,416.05 : x
2. Step 2: Convert to fraction form
   1,093,406.72/1,508,714.37 = 634,416.05/x
3. Step 3: Cross multiply
   1,093,406.72x = 1,508,714.37 × 634,416.05
4. Step 4: Simplify right side
   1,093,406.72x = 957,152,614,965.43
5. Step 5: Solve for x
   x = 957,152,614,965.43/1,093,406.72
6. Step 6: Final answer
   x = 875,385.71