Finding the Fourth Proportional to 90,013.50, 134,928.09 and 37,453.50

Step by Step Solution

1. Step 1: Write the proportion equation
   90,013.50 : 134,928.09 = 37,453.50 : x
2. Step 2: Convert to fraction form
   90,013.50/134,928.09 = 37,453.50/x
3. Step 3: Cross multiply
   90,013.50x = 134,928.09 × 37,453.50
4. Step 4: Simplify right side
   90,013.50x = 5,053,529,218.82
5. Step 5: Solve for x
   x = 5,053,529,218.82/90,013.50
6. Step 6: Final answer
   x = 56,141.90