Finding the Fourth Proportional to 57,280.98, 85,878.27 and 37,564.50

Step by Step Solution

1. Step 1: Write the proportion equation
   57,280.98 : 85,878.27 = 37,564.50 : x
2. Step 2: Convert to fraction form
   57,280.98/85,878.27 = 37,564.50/x
3. Step 3: Cross multiply
   57,280.98x = 85,878.27 × 37,564.50
4. Step 4: Simplify right side
   57,280.98x = 3,225,974,273.42
5. Step 5: Solve for x
   x = 3,225,974,273.42/57,280.98
6. Step 6: Final answer
   x = 56,318.42