Finding the Fourth Proportional to 99,017.76, 148,395.40 and 82,484.04

Step by Step Solution

1. Step 1: Write the proportion equation
   99,017.76 : 148,395.40 = 82,484.04 : x
2. Step 2: Convert to fraction form
   99,017.76/148,395.40 = 82,484.04/x
3. Step 3: Cross multiply
   99,017.76x = 148,395.40 × 82,484.04
4. Step 4: Simplify right side
   99,017.76x = 12,240,252,109.42
5. Step 5: Solve for x
   x = 12,240,252,109.42/99,017.76
6. Step 6: Final answer
   x = 123,616.73