Finding the Fourth Proportional to 101,364.09, 152,070.93 and 71,436.72

Step by Step Solution

1. Step 1: Write the proportion equation
   101,364.09 : 152,070.93 = 71,436.72 : x
2. Step 2: Convert to fraction form
   101,364.09/152,070.93 = 71,436.72/x
3. Step 3: Cross multiply
   101,364.09x = 152,070.93 × 71,436.72
4. Step 4: Simplify right side
   101,364.09x = 10,863,448,446.55
5. Step 5: Solve for x
   x = 10,863,448,446.55/101,364.09
6. Step 6: Final answer
   x = 107,172.55