Finding the Fourth Proportional to 111,499.80, 166,977 and 100,704.84

Step by Step Solution

1. Step 1: Write the proportion equation
   111,499.80 : 166,977 = 100,704.84 : x
2. Step 2: Convert to fraction form
   111,499.80/166,977 = 100,704.84/x
3. Step 3: Cross multiply
   111,499.80x = 166,977 × 100,704.84
4. Step 4: Simplify right side
   111,499.80x = 16,815,392,068.68
5. Step 5: Solve for x
   x = 16,815,392,068.68/111,499.80
6. Step 6: Final answer
   x = 150,810.96