Finding the Fourth Proportional to 248,801.30, 373,250.55 and 99,016.10

Step by Step Solution

1. Step 1: Write the proportion equation
   248,801.30 : 373,250.55 = 99,016.10 : x
2. Step 2: Convert to fraction form
   248,801.30/373,250.55 = 99,016.10/x
3. Step 3: Cross multiply
   248,801.30x = 373,250.55 × 99,016.10
4. Step 4: Simplify right side
   248,801.30x = 36,957,813,783.86
5. Step 5: Solve for x
   x = 36,957,813,783.86/248,801.30
6. Step 6: Final answer
   x = 148,543.49