Finding the Fourth Proportional to 148,606.39, 205,076.82 and 84,945.57

Step by Step Solution

1. Step 1: Write the proportion equation
   148,606.39 : 205,076.82 = 84,945.57 : x
2. Step 2: Convert to fraction form
   148,606.39/205,076.82 = 84,945.57/x
3. Step 3: Cross multiply
   148,606.39x = 205,076.82 × 84,945.57
4. Step 4: Simplify right side
   148,606.39x = 17,420,367,368.69
5. Step 5: Solve for x
   x = 17,420,367,368.69/148,606.39
6. Step 6: Final answer
   x = 117,224.89