Finding the Fourth Proportional to 55,012.86, 82,451.25 and 31,340.25

Step by Step Solution

1. Step 1: Write the proportion equation
   55,012.86 : 82,451.25 = 31,340.25 : x
2. Step 2: Convert to fraction form
   55,012.86/82,451.25 = 31,340.25/x
3. Step 3: Cross multiply
   55,012.86x = 82,451.25 × 31,340.25
4. Step 4: Simplify right side
   55,012.86x = 2,584,042,787.81
5. Step 5: Solve for x
   x = 2,584,042,787.81/55,012.86
6. Step 6: Final answer
   x = 46,971.61