Finding the Fourth Proportional to 110,109.56, 165,898.94 and 99,591.72

Step by Step Solution

1. Step 1: Write the proportion equation
   110,109.56 : 165,898.94 = 99,591.72 : x
2. Step 2: Convert to fraction form
   110,109.56/165,898.94 = 99,591.72/x
3. Step 3: Cross multiply
   110,109.56x = 165,898.94 × 99,591.72
4. Step 4: Simplify right side
   110,109.56x = 16,522,160,780.78
5. Step 5: Solve for x
   x = 16,522,160,780.78/110,109.56
6. Step 6: Final answer
   x = 150,052.01