Finding the Fourth Proportional to 404,784.92, 607,034.76 and 134,839.88

Step by Step Solution

1. Step 1: Write the proportion equation
   404,784.92 : 607,034.76 = 134,839.88 : x
2. Step 2: Convert to fraction form
   404,784.92/607,034.76 = 134,839.88/x
3. Step 3: Cross multiply
   404,784.92x = 607,034.76 × 134,839.88
4. Step 4: Simplify right side
   404,784.92x = 81,852,494,194.23
5. Step 5: Solve for x
   x = 81,852,494,194.23/404,784.92
6. Step 6: Final answer
   x = 202,212.31