Finding the Fourth Proportional to 99,300.48, 136,903.01 and 82,241.88

Step by Step Solution

1. Step 1: Write the proportion equation
   99,300.48 : 136,903.01 = 82,241.88 : x
2. Step 2: Convert to fraction form
   99,300.48/136,903.01 = 82,241.88/x
3. Step 3: Cross multiply
   99,300.48x = 136,903.01 × 82,241.88
4. Step 4: Simplify right side
   99,300.48x = 11,259,160,508.85
5. Step 5: Solve for x
   x = 11,259,160,508.85/99,300.48
6. Step 6: Final answer
   x = 113,384.75