Finding the Fourth Proportional to 1,052,061.19, 1,577,862.72 and 283,540.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,052,061.19 : 1,577,862.72 = 283,540.96 : x
2. Step 2: Convert to fraction form
   1,052,061.19/1,577,862.72 = 283,540.96/x
3. Step 3: Cross multiply
   1,052,061.19x = 1,577,862.72 × 283,540.96
4. Step 4: Simplify right side
   1,052,061.19x = 447,388,713,757.83
5. Step 5: Solve for x
   x = 447,388,713,757.83/1,052,061.19
6. Step 6: Final answer
   x = 425,249.71