Finding the Fourth Proportional to 1,427,774.72, 1,969,998.72 and 854,597.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,427,774.72 : 1,969,998.72 = 854,597.12 : x
2. Step 2: Convert to fraction form
   1,427,774.72/1,969,998.72 = 854,597.12/x
3. Step 3: Cross multiply
   1,427,774.72x = 1,969,998.72 × 854,597.12
4. Step 4: Simplify right side
   1,427,774.72x = 1,683,555,232,515.69
5. Step 5: Solve for x
   x = 1,683,555,232,515.69/1,427,774.72
6. Step 6: Final answer
   x = 1,179,146.27