Finding the Fourth Proportional to 58,501.98, 87,728.67 and 21,050.82

Step by Step Solution

1. Step 1: Write the proportion equation
   58,501.98 : 87,728.67 = 21,050.82 : x
2. Step 2: Convert to fraction form
   58,501.98/87,728.67 = 21,050.82/x
3. Step 3: Cross multiply
   58,501.98x = 87,728.67 × 21,050.82
4. Step 4: Simplify right side
   58,501.98x = 1,846,760,441.01
5. Step 5: Solve for x
   x = 1,846,760,441.01/58,501.98
6. Step 6: Final answer
   x = 31,567.49