Finding the Fourth Proportional to 56,894.83, 85,353.25 and 21,831.76

Step by Step Solution

1. Step 1: Write the proportion equation
   56,894.83 : 85,353.25 = 21,831.76 : x
2. Step 2: Convert to fraction form
   56,894.83/85,353.25 = 21,831.76/x
3. Step 3: Cross multiply
   56,894.83x = 85,353.25 × 21,831.76
4. Step 4: Simplify right side
   56,894.83x = 1,863,411,261.69
5. Step 5: Solve for x
   x = 1,863,411,261.69/56,894.83
6. Step 6: Final answer
   x = 32,751.86