Finding the Fourth Proportional to 99,189.14, 149,465.58 and 82,043.06

Step by Step Solution

1. Step 1: Write the proportion equation
   99,189.14 : 149,465.58 = 82,043.06 : x
2. Step 2: Convert to fraction form
   99,189.14/149,465.58 = 82,043.06/x
3. Step 3: Cross multiply
   99,189.14x = 149,465.58 × 82,043.06
4. Step 4: Simplify right side
   99,189.14x = 12,262,612,492.89
5. Step 5: Solve for x
   x = 12,262,612,492.89/99,189.14
6. Step 6: Final answer
   x = 123,628.59