Finding the Fourth Proportional to 99,017.55, 148,548.20 and 49,124.79

Step by Step Solution

1. Step 1: Write the proportion equation
   99,017.55 : 148,548.20 = 49,124.79 : x
2. Step 2: Convert to fraction form
   99,017.55/148,548.20 = 49,124.79/x
3. Step 3: Cross multiply
   99,017.55x = 148,548.20 × 49,124.79
4. Step 4: Simplify right side
   99,017.55x = 7,297,398,884.25
5. Step 5: Solve for x
   x = 7,297,398,884.25/99,017.55
6. Step 6: Final answer
   x = 73,698.04