Finding the Fourth Proportional to 54,615.06, 81,922.56 and 31,225.10

Step by Step Solution

1. Step 1: Write the proportion equation
   54,615.06 : 81,922.56 = 31,225.10 : x
2. Step 2: Convert to fraction form
   54,615.06/81,922.56 = 31,225.10/x
3. Step 3: Cross multiply
   54,615.06x = 81,922.56 × 31,225.10
4. Step 4: Simplify right side
   54,615.06x = 2,558,039,601.55
5. Step 5: Solve for x
   x = 2,558,039,601.55/54,615.06
6. Step 6: Final answer
   x = 46,837.62