Finding the Fourth Proportional to 108,409.34, 162,495.38 and 55,821.98

Step by Step Solution

1. Step 1: Write the proportion equation
   108,409.34 : 162,495.38 = 55,821.98 : x
2. Step 2: Convert to fraction form
   108,409.34/162,495.38 = 55,821.98/x
3. Step 3: Cross multiply
   108,409.34x = 162,495.38 × 55,821.98
4. Step 4: Simplify right side
   108,409.34x = 9,070,813,852.45
5. Step 5: Solve for x
   x = 9,070,813,852.45/108,409.34
6. Step 6: Final answer
   x = 83,671.89