Finding the Fourth Proportional to 58,663.50, 87,996.69 and 21,227.10

Step by Step Solution

1. Step 1: Write the proportion equation
   58,663.50 : 87,996.69 = 21,227.10 : x
2. Step 2: Convert to fraction form
   58,663.50/87,996.69 = 21,227.10/x
3. Step 3: Cross multiply
   58,663.50x = 87,996.69 × 21,227.10
4. Step 4: Simplify right side
   58,663.50x = 1,867,914,538.30
5. Step 5: Solve for x
   x = 1,867,914,538.30/58,663.50
6. Step 6: Final answer
   x = 31,841.17