Finding the Fourth Proportional to 45,139.18, 62,287.72 and 26,986.31

Step by Step Solution

1. Step 1: Write the proportion equation
   45,139.18 : 62,287.72 = 26,986.31 : x
2. Step 2: Convert to fraction form
   45,139.18/62,287.72 = 26,986.31/x
3. Step 3: Cross multiply
   45,139.18x = 62,287.72 × 26,986.31
4. Step 4: Simplify right side
   45,139.18x = 1,680,915,809.37
5. Step 5: Solve for x
   x = 1,680,915,809.37/45,139.18
6. Step 6: Final answer
   x = 37,238.51