Finding the Fourth Proportional to 95,503.69, 143,119.71 and 70,345.90

Step by Step Solution

1. Step 1: Write the proportion equation
   95,503.69 : 143,119.71 = 70,345.90 : x
2. Step 2: Convert to fraction form
   95,503.69/143,119.71 = 70,345.90/x
3. Step 3: Cross multiply
   95,503.69x = 143,119.71 × 70,345.90
4. Step 4: Simplify right side
   95,503.69x = 10,067,884,807.69
5. Step 5: Solve for x
   x = 10,067,884,807.69/95,503.69
6. Step 6: Final answer
   x = 105,418.80