Finding the Fourth Proportional to 50,844, 70,164.72 and 30,972

Step by Step Solution

1. Step 1: Write the proportion equation
   50,844 : 70,164.72 = 30,972 : x
2. Step 2: Convert to fraction form
   50,844/70,164.72 = 30,972/x
3. Step 3: Cross multiply
   50,844x = 70,164.72 × 30,972
4. Step 4: Simplify right side
   50,844x = 2,173,141,707.84
5. Step 5: Solve for x
   x = 2,173,141,707.84/50,844
6. Step 6: Final answer
   x = 42,741.36