Finding the Fourth Proportional to 1,911,059.56, 2,860,288.86 and 1,056,817

Step by Step Solution

1. Step 1: Write the proportion equation
   1,911,059.56 : 2,860,288.86 = 1,056,817 : x
2. Step 2: Convert to fraction form
   1,911,059.56/2,860,288.86 = 1,056,817/x
3. Step 3: Cross multiply
   1,911,059.56x = 2,860,288.86 × 1,056,817
4. Step 4: Simplify right side
   1,911,059.56x = 3,022,801,892,158.62
5. Step 5: Solve for x
   x = 3,022,801,892,158.62/1,911,059.56
6. Step 6: Final answer
   x = 1,581,741.33