Finding the Fourth Proportional to 861,345.82, 1,188,657.24 and 479,462.82

Step by Step Solution

1. Step 1: Write the proportion equation
   861,345.82 : 1,188,657.24 = 479,462.82 : x
2. Step 2: Convert to fraction form
   861,345.82/1,188,657.24 = 479,462.82/x
3. Step 3: Cross multiply
   861,345.82x = 1,188,657.24 × 479,462.82
4. Step 4: Simplify right side
   861,345.82x = 569,916,952,303.82
5. Step 5: Solve for x
   x = 569,916,952,303.82/861,345.82
6. Step 6: Final answer
   x = 661,658.70