Finding the Fourth Proportional to 58,560.62, 87,928.41 and 57,685.82

Step by Step Solution

1. Step 1: Write the proportion equation
   58,560.62 : 87,928.41 = 57,685.82 : x
2. Step 2: Convert to fraction form
   58,560.62/87,928.41 = 57,685.82/x
3. Step 3: Cross multiply
   58,560.62x = 87,928.41 × 57,685.82
4. Step 4: Simplify right side
   58,560.62x = 5,072,222,432.15
5. Step 5: Solve for x
   x = 5,072,222,432.15/58,560.62
6. Step 6: Final answer
   x = 86,614.90