Finding the Fourth Proportional to 144,200.01, 198,994.88 and 83,806.01

Step by Step Solution

1. Step 1: Write the proportion equation
   144,200.01 : 198,994.88 = 83,806.01 : x
2. Step 2: Convert to fraction form
   144,200.01/198,994.88 = 83,806.01/x
3. Step 3: Cross multiply
   144,200.01x = 198,994.88 × 83,806.01
4. Step 4: Simplify right side
   144,200.01x = 16,676,966,117.77
5. Step 5: Solve for x
   x = 16,676,966,117.77/144,200.01
6. Step 6: Final answer
   x = 115,651.63