Finding the Fourth Proportional to 127,084.39, 190,493.57 and 42,815.43

Step by Step Solution

1. Step 1: Write the proportion equation
   127,084.39 : 190,493.57 = 42,815.43 : x
2. Step 2: Convert to fraction form
   127,084.39/190,493.57 = 42,815.43/x
3. Step 3: Cross multiply
   127,084.39x = 190,493.57 × 42,815.43
4. Step 4: Simplify right side
   127,084.39x = 8,156,062,945.24
5. Step 5: Solve for x
   x = 8,156,062,945.24/127,084.39
6. Step 6: Final answer
   x = 64,178.32