Finding the Fourth Proportional to 58,151.36, 80,279.36 and 39,131.14

Step by Step Solution

1. Step 1: Write the proportion equation
   58,151.36 : 80,279.36 = 39,131.14 : x
2. Step 2: Convert to fraction form
   58,151.36/80,279.36 = 39,131.14/x
3. Step 3: Cross multiply
   58,151.36x = 80,279.36 × 39,131.14
4. Step 4: Simplify right side
   58,151.36x = 3,141,422,978.14
5. Step 5: Solve for x
   x = 3,141,422,978.14/58,151.36
6. Step 6: Final answer
   x = 54,021.49