Finding the Fourth Proportional to 497,426.28, 745,978.14 and 164,913

Step by Step Solution

1. Step 1: Write the proportion equation
   497,426.28 : 745,978.14 = 164,913 : x
2. Step 2: Convert to fraction form
   497,426.28/745,978.14 = 164,913/x
3. Step 3: Cross multiply
   497,426.28x = 745,978.14 × 164,913
4. Step 4: Simplify right side
   497,426.28x = 123,021,493,001.82
5. Step 5: Solve for x
   x = 123,021,493,001.82/497,426.28
6. Step 6: Final answer
   x = 247,316.03