Finding the Fourth Proportional to 1,037,016.72, 1,431,074.52 and 578,125.80

Step by Step Solution

1. Step 1: Write the proportion equation
   1,037,016.72 : 1,431,074.52 = 578,125.80 : x
2. Step 2: Convert to fraction form
   1,037,016.72/1,431,074.52 = 578,125.80/x
3. Step 3: Cross multiply
   1,037,016.72x = 1,431,074.52 × 578,125.80
4. Step 4: Simplify right side
   1,037,016.72x = 827,341,101,734.62
5. Step 5: Solve for x
   x = 827,341,101,734.62/1,037,016.72
6. Step 6: Final answer
   x = 797,808.84