Finding the Fourth Proportional to 166,443.72, 249,548.94 and 61,249.02

Step by Step Solution

1. Step 1: Write the proportion equation
   166,443.72 : 249,548.94 = 61,249.02 : x
2. Step 2: Convert to fraction form
   166,443.72/249,548.94 = 61,249.02/x
3. Step 3: Cross multiply
   166,443.72x = 249,548.94 × 61,249.02
4. Step 4: Simplify right side
   166,443.72x = 15,284,628,017.04
5. Step 5: Solve for x
   x = 15,284,628,017.04/166,443.72
6. Step 6: Final answer
   x = 91,830.61