Finding the Fourth Proportional to 101,365.59, 152,073.18 and 71,438.22

Step by Step Solution

1. Step 1: Write the proportion equation
   101,365.59 : 152,073.18 = 71,438.22 : x
2. Step 2: Convert to fraction form
   101,365.59/152,073.18 = 71,438.22/x
3. Step 3: Cross multiply
   101,365.59x = 152,073.18 × 71,438.22
4. Step 4: Simplify right side
   101,365.59x = 10,863,837,288.94
5. Step 5: Solve for x
   x = 10,863,837,288.94/101,365.59
6. Step 6: Final answer
   x = 107,174.80