Finding the Fourth Proportional to 89,111.18, 122,982.30 and 50,876.51

Step by Step Solution

1. Step 1: Write the proportion equation
   89,111.18 : 122,982.30 = 50,876.51 : x
2. Step 2: Convert to fraction form
   89,111.18/122,982.30 = 50,876.51/x
3. Step 3: Cross multiply
   89,111.18x = 122,982.30 × 50,876.51
4. Step 4: Simplify right side
   89,111.18x = 6,256,909,600.86
5. Step 5: Solve for x
   x = 6,256,909,600.86/89,111.18
6. Step 6: Final answer
   x = 70,214.64