Finding the Fourth Proportional to 55,383.49, 76,426.54 and 31,507.93

Step by Step Solution

1. Step 1: Write the proportion equation
   55,383.49 : 76,426.54 = 31,507.93 : x
2. Step 2: Convert to fraction form
   55,383.49/76,426.54 = 31,507.93/x
3. Step 3: Cross multiply
   55,383.49x = 76,426.54 × 31,507.93
4. Step 4: Simplify right side
   55,383.49x = 2,408,042,072.46
5. Step 5: Solve for x
   x = 2,408,042,072.46/55,383.49
6. Step 6: Final answer
   x = 43,479.42