Finding the Fourth Proportional to 58,570.37, 87,837.37 and 21,125.58

Step by Step Solution

1. Step 1: Write the proportion equation
   58,570.37 : 87,837.37 = 21,125.58 : x
2. Step 2: Convert to fraction form
   58,570.37/87,837.37 = 21,125.58/x
3. Step 3: Cross multiply
   58,570.37x = 87,837.37 × 21,125.58
4. Step 4: Simplify right side
   58,570.37x = 1,855,615,004.72
5. Step 5: Solve for x
   x = 1,855,615,004.72/58,570.37
6. Step 6: Final answer
   x = 31,681.80