Finding the Fourth Proportional to 110,756.55, 152,790.81 and 72,499.23

Step by Step Solution

1. Step 1: Write the proportion equation
   110,756.55 : 152,790.81 = 72,499.23 : x
2. Step 2: Convert to fraction form
   110,756.55/152,790.81 = 72,499.23/x
3. Step 3: Cross multiply
   110,756.55x = 152,790.81 × 72,499.23
4. Step 4: Simplify right side
   110,756.55x = 11,077,216,076.08
5. Step 5: Solve for x
   x = 11,077,216,076.08/110,756.55
6. Step 6: Final answer
   x = 100,014.09