Finding the Fourth Proportional to 56,825.31, 78,399.89 and 36,695.80

Step by Step Solution

1. Step 1: Write the proportion equation
   56,825.31 : 78,399.89 = 36,695.80 : x
2. Step 2: Convert to fraction form
   56,825.31/78,399.89 = 36,695.80/x
3. Step 3: Cross multiply
   56,825.31x = 78,399.89 × 36,695.80
4. Step 4: Simplify right side
   56,825.31x = 2,876,946,873.20
5. Step 5: Solve for x
   x = 2,876,946,873.20/56,825.31
6. Step 6: Final answer
   x = 50,627.91