Finding the Fourth Proportional to 58,081.98, 87,112.56 and 15,387.69

Step by Step Solution

1. Step 1: Write the proportion equation
   58,081.98 : 87,112.56 = 15,387.69 : x
2. Step 2: Convert to fraction form
   58,081.98/87,112.56 = 15,387.69/x
3. Step 3: Cross multiply
   58,081.98x = 87,112.56 × 15,387.69
4. Step 4: Simplify right side
   58,081.98x = 1,340,461,068.39
5. Step 5: Solve for x
   x = 1,340,461,068.39/58,081.98
6. Step 6: Final answer
   x = 23,078.78