Finding the Fourth Proportional to 101,361.09, 152,066.43 and 71,433.72

Step by Step Solution

1. Step 1: Write the proportion equation
   101,361.09 : 152,066.43 = 71,433.72 : x
2. Step 2: Convert to fraction form
   101,361.09/152,066.43 = 71,433.72/x
3. Step 3: Cross multiply
   101,361.09x = 152,066.43 × 71,433.72
4. Step 4: Simplify right side
   101,361.09x = 10,862,670,782.02
5. Step 5: Solve for x
   x = 10,862,670,782.02/101,361.09
6. Step 6: Final answer
   x = 107,168.05