Finding the Fourth Proportional to 89,086.75, 122,946.71 and 50,837.47

Step by Step Solution

1. Step 1: Write the proportion equation
   89,086.75 : 122,946.71 = 50,837.47 : x
2. Step 2: Convert to fraction form
   89,086.75/122,946.71 = 50,837.47/x
3. Step 3: Cross multiply
   89,086.75x = 122,946.71 × 50,837.47
4. Step 4: Simplify right side
   89,086.75x = 6,250,299,681.22
5. Step 5: Solve for x
   x = 6,250,299,681.22/89,086.75
6. Step 6: Final answer
   x = 70,159.70