Finding the Fourth Proportional to 101,362.09, 152,067.93 and 71,434.72

Step by Step Solution

1. Step 1: Write the proportion equation
   101,362.09 : 152,067.93 = 71,434.72 : x
2. Step 2: Convert to fraction form
   101,362.09/152,067.93 = 71,434.72/x
3. Step 3: Cross multiply
   101,362.09x = 152,067.93 × 71,434.72
4. Step 4: Simplify right side
   101,362.09x = 10,862,930,000.53
5. Step 5: Solve for x
   x = 10,862,930,000.53/101,362.09
6. Step 6: Final answer
   x = 107,169.55