Finding the Fourth Proportional to 1,142,830.09, 1,705,900.28 and 1,059,571

Step by Step Solution

1. Step 1: Write the proportion equation
   1,142,830.09 : 1,705,900.28 = 1,059,571 : x
2. Step 2: Convert to fraction form
   1,142,830.09/1,705,900.28 = 1,059,571/x
3. Step 3: Cross multiply
   1,142,830.09x = 1,705,900.28 × 1,059,571
4. Step 4: Simplify right side
   1,142,830.09x = 1,807,522,465,579.88
5. Step 5: Solve for x
   x = 1,807,522,465,579.88/1,142,830.09
6. Step 6: Final answer
   x = 1,581,619.60