Finding the Fourth Proportional to 58,076.74, 87,080.25 and 20,113.50

Step by Step Solution

1. Step 1: Write the proportion equation
   58,076.74 : 87,080.25 = 20,113.50 : x
2. Step 2: Convert to fraction form
   58,076.74/87,080.25 = 20,113.50/x
3. Step 3: Cross multiply
   58,076.74x = 87,080.25 × 20,113.50
4. Step 4: Simplify right side
   58,076.74x = 1,751,488,608.38
5. Step 5: Solve for x
   x = 1,751,488,608.38/58,076.74
6. Step 6: Final answer
   x = 30,158.18