Finding the Fourth Proportional to 89,109.77, 122,969.48 and 50,343.98

Step by Step Solution

1. Step 1: Write the proportion equation
   89,109.77 : 122,969.48 = 50,343.98 : x
2. Step 2: Convert to fraction form
   89,109.77/122,969.48 = 50,343.98/x
3. Step 3: Cross multiply
   89,109.77x = 122,969.48 × 50,343.98
4. Step 4: Simplify right side
   89,109.77x = 6,190,772,175.16
5. Step 5: Solve for x
   x = 6,190,772,175.16/89,109.77
6. Step 6: Final answer
   x = 69,473.56