Finding the Fourth Proportional to 243,290.05, 364,945.02 and 83,475.89

Step by Step Solution

1. Step 1: Write the proportion equation
   243,290.05 : 364,945.02 = 83,475.89 : x
2. Step 2: Convert to fraction form
   243,290.05/364,945.02 = 83,475.89/x
3. Step 3: Cross multiply
   243,290.05x = 364,945.02 × 83,475.89
4. Step 4: Simplify right side
   243,290.05x = 30,464,110,345.57
5. Step 5: Solve for x
   x = 30,464,110,345.57/243,290.05
6. Step 6: Final answer
   x = 125,217.25