Finding the Fourth Proportional to 156,989.22, 216,650.83 and 89,934.18

Step by Step Solution

1. Step 1: Write the proportion equation
   156,989.22 : 216,650.83 = 89,934.18 : x
2. Step 2: Convert to fraction form
   156,989.22/216,650.83 = 89,934.18/x
3. Step 3: Cross multiply
   156,989.22x = 216,650.83 × 89,934.18
4. Step 4: Simplify right side
   156,989.22x = 19,484,314,742.37
5. Step 5: Solve for x
   x = 19,484,314,742.37/156,989.22
6. Step 6: Final answer
   x = 124,112.44