Finding the Fourth Proportional to 89,752.84, 134,654.20 and 39,156.28

Step by Step Solution

1. Step 1: Write the proportion equation
   89,752.84 : 134,654.20 = 39,156.28 : x
2. Step 2: Convert to fraction form
   89,752.84/134,654.20 = 39,156.28/x
3. Step 3: Cross multiply
   89,752.84x = 134,654.20 × 39,156.28
4. Step 4: Simplify right side
   89,752.84x = 5,272,557,558.38
5. Step 5: Solve for x
   x = 5,272,557,558.38/89,752.84
6. Step 6: Final answer
   x = 58,745.30