Finding the Fourth Proportional to 58,057.16, 87,100.72 and 18,614.61

Step by Step Solution

1. Step 1: Write the proportion equation
   58,057.16 : 87,100.72 = 18,614.61 : x
2. Step 2: Convert to fraction form
   58,057.16/87,100.72 = 18,614.61/x
3. Step 3: Cross multiply
   58,057.16x = 87,100.72 × 18,614.61
4. Step 4: Simplify right side
   58,057.16x = 1,621,345,886.98
5. Step 5: Solve for x
   x = 1,621,345,886.98/58,057.16
6. Step 6: Final answer
   x = 27,926.72