Finding the Fourth Proportional to 55,549.50, 76,656.38 and 31,683.86

Step by Step Solution

1. Step 1: Write the proportion equation
   55,549.50 : 76,656.38 = 31,683.86 : x
2. Step 2: Convert to fraction form
   55,549.50/76,656.38 = 31,683.86/x
3. Step 3: Cross multiply
   55,549.50x = 76,656.38 × 31,683.86
4. Step 4: Simplify right side
   55,549.50x = 2,428,770,012.03
5. Step 5: Solve for x
   x = 2,428,770,012.03/55,549.50
6. Step 6: Final answer
   x = 43,722.63