Finding the Fourth Proportional to 323,410.74, 485,105.16 and 98,762.10

Step by Step Solution

1. Step 1: Write the proportion equation
   323,410.74 : 485,105.16 = 98,762.10 : x
2. Step 2: Convert to fraction form
   323,410.74/485,105.16 = 98,762.10/x
3. Step 3: Cross multiply
   323,410.74x = 485,105.16 × 98,762.10
4. Step 4: Simplify right side
   323,410.74x = 47,910,004,322.44
5. Step 5: Solve for x
   x = 47,910,004,322.44/323,410.74
6. Step 6: Final answer
   x = 148,139.81