Finding the Fourth Proportional to 166,040,426.10, 248,612,741.55 and 166,040,426.10

Step by Step Solution

1. Step 1: Write the proportion equation
   166,040,426.10 : 248,612,741.55 = 166,040,426.10 : x
2. Step 2: Convert to fraction form
   166,040,426.10/248,612,741.55 = 166,040,426.10/x
3. Step 3: Cross multiply
   166,040,426.10x = 248,612,741.55 × 166,040,426.10
4. Step 4: Simplify right side
   166,040,426.10x = 41,279,765,540,851,176
5. Step 5: Solve for x
   x = 41,279,765,540,851,176/166,040,426.10
6. Step 6: Final answer
   x = 248,612,741.55