Finding the Fourth Proportional to 111,447.43, 153,850.39 and 70,631.93

Step by Step Solution

1. Step 1: Write the proportion equation
   111,447.43 : 153,850.39 = 70,631.93 : x
2. Step 2: Convert to fraction form
   111,447.43/153,850.39 = 70,631.93/x
3. Step 3: Cross multiply
   111,447.43x = 153,850.39 × 70,631.93
4. Step 4: Simplify right side
   111,447.43x = 10,866,750,185.00
5. Step 5: Solve for x
   x = 10,866,750,185.00/111,447.43
6. Step 6: Final answer
   x = 97,505.62