Finding the Fourth Proportional to 1,559,432.82, 2,339,147.60 and 586,978.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,559,432.82 : 2,339,147.60 = 586,978.72 : x
2. Step 2: Convert to fraction form
   1,559,432.82/2,339,147.60 = 586,978.72/x
3. Step 3: Cross multiply
   1,559,432.82x = 2,339,147.60 × 586,978.72
4. Step 4: Simplify right side
   1,559,432.82x = 1,373,029,864,139.07
5. Step 5: Solve for x
   x = 1,373,029,864,139.07/1,559,432.82
6. Step 6: Final answer
   x = 880,467.47