Finding the Fourth Proportional to 127,982.31, 191,891.25 and 53,154.06

Step by Step Solution

1. Step 1: Write the proportion equation
   127,982.31 : 191,891.25 = 53,154.06 : x
2. Step 2: Convert to fraction form
   127,982.31/191,891.25 = 53,154.06/x
3. Step 3: Cross multiply
   127,982.31x = 191,891.25 × 53,154.06
4. Step 4: Simplify right side
   127,982.31x = 10,199,799,015.98
5. Step 5: Solve for x
   x = 10,199,799,015.98/127,982.31
6. Step 6: Final answer
   x = 79,696.94