Finding the Fourth Proportional to 127,057.10, 190,572.27 and 52,185.15

Step by Step Solution

1. Step 1: Write the proportion equation
   127,057.10 : 190,572.27 = 52,185.15 : x
2. Step 2: Convert to fraction form
   127,057.10/190,572.27 = 52,185.15/x
3. Step 3: Cross multiply
   127,057.10x = 190,572.27 × 52,185.15
4. Step 4: Simplify right side
   127,057.10x = 9,945,042,495.79
5. Step 5: Solve for x
   x = 9,945,042,495.79/127,057.10
6. Step 6: Final answer
   x = 78,272.23