Finding the Fourth Proportional to 148,288.42, 204,629.75 and 83,770.89

Step by Step Solution

1. Step 1: Write the proportion equation
   148,288.42 : 204,629.75 = 83,770.89 : x
2. Step 2: Convert to fraction form
   148,288.42/204,629.75 = 83,770.89/x
3. Step 3: Cross multiply
   148,288.42x = 204,629.75 × 83,770.89
4. Step 4: Simplify right side
   148,288.42x = 17,142,016,487.40
5. Step 5: Solve for x
   x = 17,142,016,487.40/148,288.42
6. Step 6: Final answer
   x = 115,599.16