Finding the Fourth Proportional to 90,173.13, 135,171.78 and 37,597.65

Step by Step Solution

1. Step 1: Write the proportion equation
   90,173.13 : 135,171.78 = 37,597.65 : x
2. Step 2: Convert to fraction form
   90,173.13/135,171.78 = 37,597.65/x
3. Step 3: Cross multiply
   90,173.13x = 135,171.78 × 37,597.65
4. Step 4: Simplify right side
   90,173.13x = 5,082,141,274.32
5. Step 5: Solve for x
   x = 5,082,141,274.32/90,173.13
6. Step 6: Final answer
   x = 56,359.82