Finding the Fourth Proportional to 333,061.09, 499,597.81 and 108,420.75

Step by Step Solution

1. Step 1: Write the proportion equation
   333,061.09 : 499,597.81 = 108,420.75 : x
2. Step 2: Convert to fraction form
   333,061.09/499,597.81 = 108,420.75/x
3. Step 3: Cross multiply
   333,061.09x = 499,597.81 × 108,420.75
4. Step 4: Simplify right side
   333,061.09x = 54,166,768,987.51
5. Step 5: Solve for x
   x = 54,166,768,987.51/333,061.09
6. Step 6: Final answer
   x = 162,633.14