Finding the Fourth Proportional to 107,172.86, 160,496.82 and 75,505.10

Step by Step Solution

1. Step 1: Write the proportion equation
   107,172.86 : 160,496.82 = 75,505.10 : x
2. Step 2: Convert to fraction form
   107,172.86/160,496.82 = 75,505.10/x
3. Step 3: Cross multiply
   107,172.86x = 160,496.82 × 75,505.10
4. Step 4: Simplify right side
   107,172.86x = 12,118,328,443.78
5. Step 5: Solve for x
   x = 12,118,328,443.78/107,172.86
6. Step 6: Final answer
   x = 113,072.74