Finding the Fourth Proportional to 90,196.14, 135,164.76 and 50,670.06

Step by Step Solution

1. Step 1: Write the proportion equation
   90,196.14 : 135,164.76 = 50,670.06 : x
2. Step 2: Convert to fraction form
   90,196.14/135,164.76 = 50,670.06/x
3. Step 3: Cross multiply
   90,196.14x = 135,164.76 × 50,670.06
4. Step 4: Simplify right side
   90,196.14x = 6,848,806,499.09
5. Step 5: Solve for x
   x = 6,848,806,499.09/90,196.14
6. Step 6: Final answer
   x = 75,932.37