Finding the Fourth Proportional to 166,851.79, 250,314.59 and 91,933.37

Step by Step Solution

1. Step 1: Write the proportion equation
   166,851.79 : 250,314.59 = 91,933.37 : x
2. Step 2: Convert to fraction form
   166,851.79/250,314.59 = 91,933.37/x
3. Step 3: Cross multiply
   166,851.79x = 250,314.59 × 91,933.37
4. Step 4: Simplify right side
   166,851.79x = 23,012,263,818.87
5. Step 5: Solve for x
   x = 23,012,263,818.87/166,851.79
6. Step 6: Final answer
   x = 137,920.39