Finding the Fourth Proportional to 497,665.83, 746,498.34 and 123,688.83

Step by Step Solution

1. Step 1: Write the proportion equation
   497,665.83 : 746,498.34 = 123,688.83 : x
2. Step 2: Convert to fraction form
   497,665.83/746,498.34 = 123,688.83/x
3. Step 3: Cross multiply
   497,665.83x = 746,498.34 × 123,688.83
4. Step 4: Simplify right side
   497,665.83x = 92,333,506,271.54
5. Step 5: Solve for x
   x = 92,333,506,271.54/497,665.83
6. Step 6: Final answer
   x = 185,533.14