Finding the Fourth Proportional to 104,689.42, 144,458.28 and 70,771.71

Step by Step Solution

1. Step 1: Write the proportion equation
   104,689.42 : 144,458.28 = 70,771.71 : x
2. Step 2: Convert to fraction form
   104,689.42/144,458.28 = 70,771.71/x
3. Step 3: Cross multiply
   104,689.42x = 144,458.28 × 70,771.71
4. Step 4: Simplify right side
   104,689.42x = 10,223,559,499.26
5. Step 5: Solve for x
   x = 10,223,559,499.26/104,689.42
6. Step 6: Final answer
   x = 97,656.09