Finding the Fourth Proportional to 55,588.32, 76,831.88 and 49,169.48

Step by Step Solution

1. Step 1: Write the proportion equation
   55,588.32 : 76,831.88 = 49,169.48 : x
2. Step 2: Convert to fraction form
   55,588.32/76,831.88 = 49,169.48/x
3. Step 3: Cross multiply
   55,588.32x = 76,831.88 × 49,169.48
4. Step 4: Simplify right side
   55,588.32x = 3,777,782,957.02
5. Step 5: Solve for x
   x = 3,777,782,957.02/55,588.32
6. Step 6: Final answer
   x = 67,960.01