Finding the Fourth Proportional to 582,856.38, 798,516.18 and 561,014.10

Step by Step Solution

1. Step 1: Write the proportion equation
   582,856.38 : 798,516.18 = 561,014.10 : x
2. Step 2: Convert to fraction form
   582,856.38/798,516.18 = 561,014.10/x
3. Step 3: Cross multiply
   582,856.38x = 798,516.18 × 561,014.10
4. Step 4: Simplify right side
   582,856.38x = 447,978,836,058.14
5. Step 5: Solve for x
   x = 447,978,836,058.14/582,856.38
6. Step 6: Final answer
   x = 768,592.15