Finding the Fourth Proportional to 101,363.09, 152,069.43 and 71,435.72

Step by Step Solution

1. Step 1: Write the proportion equation
   101,363.09 : 152,069.43 = 71,435.72 : x
2. Step 2: Convert to fraction form
   101,363.09/152,069.43 = 71,435.72/x
3. Step 3: Cross multiply
   101,363.09x = 152,069.43 × 71,435.72
4. Step 4: Simplify right side
   101,363.09x = 10,863,189,222.04
5. Step 5: Solve for x
   x = 10,863,189,222.04/101,363.09
6. Step 6: Final answer
   x = 107,171.05