Finding the Fourth Proportional to 57,766.52, 86,681.82 and 28,184.60

Step by Step Solution

1. Step 1: Write the proportion equation
   57,766.52 : 86,681.82 = 28,184.60 : x
2. Step 2: Convert to fraction form
   57,766.52/86,681.82 = 28,184.60/x
3. Step 3: Cross multiply
   57,766.52x = 86,681.82 × 28,184.60
4. Step 4: Simplify right side
   57,766.52x = 2,443,091,990.56
5. Step 5: Solve for x
   x = 2,443,091,990.56/57,766.52
6. Step 6: Final answer
   x = 42,292.53