Finding the Fourth Proportional to 60,831.76, 91,172.30 and 34,456.54

Step by Step Solution

1. Step 1: Write the proportion equation
   60,831.76 : 91,172.30 = 34,456.54 : x
2. Step 2: Convert to fraction form
   60,831.76/91,172.30 = 34,456.54/x
3. Step 3: Cross multiply
   60,831.76x = 91,172.30 × 34,456.54
4. Step 4: Simplify right side
   60,831.76x = 3,141,482,001.84
5. Step 5: Solve for x
   x = 3,141,482,001.84/60,831.76
6. Step 6: Final answer
   x = 51,642.14