Finding the Fourth Proportional to 392,300.52, 588,538.24 and 142,982.52

Step by Step Solution

1. Step 1: Write the proportion equation
   392,300.52 : 588,538.24 = 142,982.52 : x
2. Step 2: Convert to fraction form
   392,300.52/588,538.24 = 142,982.52/x
3. Step 3: Cross multiply
   392,300.52x = 588,538.24 × 142,982.52
4. Step 4: Simplify right side
   392,300.52x = 84,150,680,671.56
5. Step 5: Solve for x
   x = 84,150,680,671.56/392,300.52
6. Step 6: Final answer
   x = 214,505.66