Finding the Fourth Proportional to 57,900.27, 86,841.52 and 15,783.74

Step by Step Solution

1. Step 1: Write the proportion equation
   57,900.27 : 86,841.52 = 15,783.74 : x
2. Step 2: Convert to fraction form
   57,900.27/86,841.52 = 15,783.74/x
3. Step 3: Cross multiply
   57,900.27x = 86,841.52 × 15,783.74
4. Step 4: Simplify right side
   57,900.27x = 1,370,683,499.22
5. Step 5: Solve for x
   x = 1,370,683,499.22/57,900.27
6. Step 6: Final answer
   x = 23,673.18