Finding the Fourth Proportional to 54,300.57, 74,936.88 and 31,654.17

Step by Step Solution

1. Step 1: Write the proportion equation
   54,300.57 : 74,936.88 = 31,654.17 : x
2. Step 2: Convert to fraction form
   54,300.57/74,936.88 = 31,654.17/x
3. Step 3: Cross multiply
   54,300.57x = 74,936.88 × 31,654.17
4. Step 4: Simplify right side
   54,300.57x = 2,372,064,738.79
5. Step 5: Solve for x
   x = 2,372,064,738.79/54,300.57
6. Step 6: Final answer
   x = 43,683.97