Finding the Fourth Proportional to 55,394.84, 76,451.31 and 31,196.04

Step by Step Solution

1. Step 1: Write the proportion equation
   55,394.84 : 76,451.31 = 31,196.04 : x
2. Step 2: Convert to fraction form
   55,394.84/76,451.31 = 31,196.04/x
3. Step 3: Cross multiply
   55,394.84x = 76,451.31 × 31,196.04
4. Step 4: Simplify right side
   55,394.84x = 2,384,978,124.81
5. Step 5: Solve for x
   x = 2,384,978,124.81/55,394.84
6. Step 6: Final answer
   x = 43,054.16