Finding the Fourth Proportional to 110,105.10, 151,969.23 and 72,382.86

Step by Step Solution

1. Step 1: Write the proportion equation
   110,105.10 : 151,969.23 = 72,382.86 : x
2. Step 2: Convert to fraction form
   110,105.10/151,969.23 = 72,382.86/x
3. Step 3: Cross multiply
   110,105.10x = 151,969.23 × 72,382.86
4. Step 4: Simplify right side
   110,105.10x = 10,999,967,499.40
5. Step 5: Solve for x
   x = 10,999,967,499.40/110,105.10
6. Step 6: Final answer
   x = 99,904.25