Finding the Fourth Proportional to 58,076.24, 87,079.50 and 20,113

Step by Step Solution

1. Step 1: Write the proportion equation
   58,076.24 : 87,079.50 = 20,113 : x
2. Step 2: Convert to fraction form
   58,076.24/87,079.50 = 20,113/x
3. Step 3: Cross multiply
   58,076.24x = 87,079.50 × 20,113
4. Step 4: Simplify right side
   58,076.24x = 1,751,429,983.50
5. Step 5: Solve for x
   x = 1,751,429,983.50/58,076.24
6. Step 6: Final answer
   x = 30,157.43