Finding the Fourth Proportional to 142,390.94, 213,618.83 and 75,795.98

Step by Step Solution

1. Step 1: Write the proportion equation
   142,390.94 : 213,618.83 = 75,795.98 : x
2. Step 2: Convert to fraction form
   142,390.94/213,618.83 = 75,795.98/x
3. Step 3: Cross multiply
   142,390.94x = 213,618.83 × 75,795.98
4. Step 4: Simplify right side
   142,390.94x = 16,191,447,119.23
5. Step 5: Solve for x
   x = 16,191,447,119.23/142,390.94
6. Step 6: Final answer
   x = 113,711.22