Finding the Fourth Proportional to 1,141,560.86, 1,576,412.94 and 854,582.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,141,560.86 : 1,576,412.94 = 854,582.72 : x
2. Step 2: Convert to fraction form
   1,141,560.86/1,576,412.94 = 854,582.72/x
3. Step 3: Cross multiply
   1,141,560.86x = 1,576,412.94 × 854,582.72
4. Step 4: Simplify right side
   1,141,560.86x = 1,347,175,258,108.40
5. Step 5: Solve for x
   x = 1,347,175,258,108.40/1,141,560.86
6. Step 6: Final answer
   x = 1,180,116.90