Finding the Fourth Proportional to 861,344.82, 1,188,655.86 and 479,461.82

Step by Step Solution

1. Step 1: Write the proportion equation
   861,344.82 : 1,188,655.86 = 479,461.82 : x
2. Step 2: Convert to fraction form
   861,344.82/1,188,655.86 = 479,461.82/x
3. Step 3: Cross multiply
   861,344.82x = 1,188,655.86 × 479,461.82
4. Step 4: Simplify right side
   861,344.82x = 569,915,099,824.53
5. Step 5: Solve for x
   x = 569,915,099,824.53/861,344.82
6. Step 6: Final answer
   x = 661,657.31