Finding the Fourth Proportional to 91,546.50, 137,320.59 and 36,142.50

Step by Step Solution

1. Step 1: Write the proportion equation
   91,546.50 : 137,320.59 = 36,142.50 : x
2. Step 2: Convert to fraction form
   91,546.50/137,320.59 = 36,142.50/x
3. Step 3: Cross multiply
   91,546.50x = 137,320.59 × 36,142.50
4. Step 4: Simplify right side
   91,546.50x = 4,963,109,424.08
5. Step 5: Solve for x
   x = 4,963,109,424.08/91,546.50
6. Step 6: Final answer
   x = 54,214.08