Finding the Fourth Proportional to 58,510.14, 87,711.89 and 21,061.41

Step by Step Solution

1. Step 1: Write the proportion equation
   58,510.14 : 87,711.89 = 21,061.41 : x
2. Step 2: Convert to fraction form
   58,510.14/87,711.89 = 21,061.41/x
3. Step 3: Cross multiply
   58,510.14x = 87,711.89 × 21,061.41
4. Step 4: Simplify right side
   58,510.14x = 1,847,335,533.30
5. Step 5: Solve for x
   x = 1,847,335,533.30/58,510.14
6. Step 6: Final answer
   x = 31,572.92